// Copyright Istio Authors
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
//     http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.

// THIS FILE IS AUTOMATICALLY GENERATED.

package sample

import (
	"context"
	"fmt"
	"net"
	"strings"

	"github.com/gogo/protobuf/proto"

	istio_adapter_model_v1beta1 "istio.io/api/mixer/adapter/model/v1beta1"
	istio_policy_v1beta1 "istio.io/api/policy/v1beta1"
	"istio.io/istio/mixer/pkg/adapter"
	"istio.io/istio/mixer/pkg/lang/compiled"
	"istio.io/istio/mixer/pkg/runtime/lang"
	"istio.io/istio/mixer/pkg/template"
	"istio.io/pkg/attribute"
	"istio.io/pkg/log"

	"istio.io/istio/mixer/template/sample/apa"

	"istio.io/istio/mixer/template/sample/check"

	"istio.io/istio/mixer/template/sample/quota"

	"istio.io/istio/mixer/template/sample/report"

	"time"
)

// Add void usages for some imports so that go linter does not complain in case the imports does not get used in the
// below codegen.
var (
	_ net.IP
	_ istio_policy_v1beta1.AttributeManifest
	_ = strings.Reader{}
)

type (
	getFn         func(name string) (value interface{}, found bool)
	namesFn       func() []string
	doneFn        func()
	debugStringFn func() string
	wrapperAttr   struct {
		get         getFn
		names       namesFn
		done        doneFn
		debugString debugStringFn
	}
)

func newWrapperAttrBag(get getFn, names namesFn, done doneFn, debugString debugStringFn) attribute.Bag {
	return &wrapperAttr{
		debugString: debugString,
		done:        done,
		get:         get,
		names:       names,
	}
}

// Get returns an attribute value.
func (w *wrapperAttr) Get(name string) (value interface{}, found bool) {
	return w.get(name)
}

// Contains returns true if key is present.
func (w *wrapperAttr) Contains(key string) (found bool) {
	_, found = w.get(key)
	return found
}

// Names returns the names of all the attributes known to this bag.
func (w *wrapperAttr) Names() []string {
	return w.names()
}

// Done indicates the bag can be reclaimed.
func (w *wrapperAttr) Done() {
	w.done()
}

// ReferenceTracker implements the interface.
func (w *wrapperAttr) ReferenceTracker() attribute.ReferenceTracker {
	return nil
}

// String provides a dump of an attribute Bag that avoids affecting the
// calculation of referenced attributes.
func (w *wrapperAttr) String() string {
	return w.debugString()
}

var (
	SupportedTmplInfo = map[string]template.Info{

		istio_mixer_adapter_sample_myapa.TemplateName: {
			Name:               istio_mixer_adapter_sample_myapa.TemplateName,
			Impl:               "istio.mixer.adapter.sample.myapa",
			CtrCfg:             &istio_mixer_adapter_sample_myapa.InstanceParam{},
			Variety:            istio_adapter_model_v1beta1.TEMPLATE_VARIETY_ATTRIBUTE_GENERATOR,
			BldrInterfaceName:  istio_mixer_adapter_sample_myapa.TemplateName + "." + "HandlerBuilder",
			HndlrInterfaceName: istio_mixer_adapter_sample_myapa.TemplateName + "." + "Handler",
			BuilderSupportsTemplate: func(hndlrBuilder adapter.HandlerBuilder) bool {
				_, ok := hndlrBuilder.(istio_mixer_adapter_sample_myapa.HandlerBuilder)
				return ok
			},
			HandlerSupportsTemplate: func(hndlr adapter.Handler) bool {
				_, ok := hndlr.(istio_mixer_adapter_sample_myapa.Handler)
				return ok
			},
			InferType: func(cp proto.Message, tEvalFn template.TypeEvalFn) (proto.Message, error) {

				var BuildTemplate func(param *istio_mixer_adapter_sample_myapa.InstanceParam,
					path string) (proto.Message, error)

				_ = BuildTemplate

				var BuildResource1 func(param *istio_mixer_adapter_sample_myapa.Resource1InstanceParam,
					path string) (proto.Message, error)

				_ = BuildResource1

				var BuildResource2 func(param *istio_mixer_adapter_sample_myapa.Resource2InstanceParam,
					path string) (proto.Message, error)

				_ = BuildResource2

				var BuildResource3 func(param *istio_mixer_adapter_sample_myapa.Resource3InstanceParam,
					path string) (proto.Message, error)

				_ = BuildResource3

				BuildTemplate = func(param *istio_mixer_adapter_sample_myapa.InstanceParam,
					path string) (proto.Message, error) {

					if param == nil {
						return nil, nil
					}

					var err error = nil

					if param.Int64Primitive != "" {
						if t, e := tEvalFn(param.Int64Primitive); e != nil || t != istio_policy_v1beta1.INT64 {
							if e != nil {
								return nil, fmt.Errorf("failed to evaluate expression for field '%s': %v", path+"Int64Primitive", e)
							}
							return nil, fmt.Errorf("error type checking for field '%s': Evaluated expression type %v want %v", path+"Int64Primitive", t, istio_policy_v1beta1.INT64)
						}
					}

					if param.BoolPrimitive != "" {
						if t, e := tEvalFn(param.BoolPrimitive); e != nil || t != istio_policy_v1beta1.BOOL {
							if e != nil {
								return nil, fmt.Errorf("failed to evaluate expression for field '%s': %v", path+"BoolPrimitive", e)
							}
							return nil, fmt.Errorf("error type checking for field '%s': Evaluated expression type %v want %v", path+"BoolPrimitive", t, istio_policy_v1beta1.BOOL)
						}
					}

					if param.DoublePrimitive != "" {
						if t, e := tEvalFn(param.DoublePrimitive); e != nil || t != istio_policy_v1beta1.DOUBLE {
							if e != nil {
								return nil, fmt.Errorf("failed to evaluate expression for field '%s': %v", path+"DoublePrimitive", e)
							}
							return nil, fmt.Errorf("error type checking for field '%s': Evaluated expression type %v want %v", path+"DoublePrimitive", t, istio_policy_v1beta1.DOUBLE)
						}
					}

					if param.StringPrimitive != "" {
						if t, e := tEvalFn(param.StringPrimitive); e != nil || t != istio_policy_v1beta1.STRING {
							if e != nil {
								return nil, fmt.Errorf("failed to evaluate expression for field '%s': %v", path+"StringPrimitive", e)
							}
							return nil, fmt.Errorf("error type checking for field '%s': Evaluated expression type %v want %v", path+"StringPrimitive", t, istio_policy_v1beta1.STRING)
						}
					}

					for k, v := range param.DimensionsFixedInt64ValueDType {
						if t, e := tEvalFn(v); e != nil || t != istio_policy_v1beta1.INT64 {
							if e != nil {
								return nil, fmt.Errorf("failed to evaluate expression for field '%s%s[%s]'; %v", path, "DimensionsFixedInt64ValueDType", k, e)
							}
							return nil, fmt.Errorf(
								"error type checking for field '%s%s[%s]': Evaluated expression type %v want %v", path, "DimensionsFixedInt64ValueDType", k, t, istio_policy_v1beta1.INT64)
						}
					}

					if param.TimeStamp != "" {
						if t, e := tEvalFn(param.TimeStamp); e != nil || t != istio_policy_v1beta1.TIMESTAMP {
							if e != nil {
								return nil, fmt.Errorf("failed to evaluate expression for field '%s': %v", path+"TimeStamp", e)
							}
							return nil, fmt.Errorf("error type checking for field '%s': Evaluated expression type %v want %v", path+"TimeStamp", t, istio_policy_v1beta1.TIMESTAMP)
						}
					}

					if param.Duration != "" {
						if t, e := tEvalFn(param.Duration); e != nil || t != istio_policy_v1beta1.DURATION {
							if e != nil {
								return nil, fmt.Errorf("failed to evaluate expression for field '%s': %v", path+"Duration", e)
							}
							return nil, fmt.Errorf("error type checking for field '%s': Evaluated expression type %v want %v", path+"Duration", t, istio_policy_v1beta1.DURATION)
						}
					}

					if param.OptionalIP != "" {
						if t, e := tEvalFn(param.OptionalIP); e != nil || t != istio_policy_v1beta1.IP_ADDRESS {
							if e != nil {
								return nil, fmt.Errorf("failed to evaluate expression for field '%s': %v", path+"OptionalIP", e)
							}
							return nil, fmt.Errorf("error type checking for field '%s': Evaluated expression type %v want %v", path+"OptionalIP", t, istio_policy_v1beta1.IP_ADDRESS)
						}
					}

					if param.Email != "" {
						if t, e := tEvalFn(param.Email); e != nil || t != istio_policy_v1beta1.EMAIL_ADDRESS {
							if e != nil {
								return nil, fmt.Errorf("failed to evaluate expression for field '%s': %v", path+"Email", e)
							}
							return nil, fmt.Errorf("error type checking for field '%s': Evaluated expression type %v want %v", path+"Email", t, istio_policy_v1beta1.EMAIL_ADDRESS)
						}
					}

					return nil, err

				}

				BuildResource1 = func(param *istio_mixer_adapter_sample_myapa.Resource1InstanceParam,
					path string) (proto.Message, error) {

					if param == nil {
						return nil, nil
					}

					var err error = nil

					if param.Str != "" {
						if t, e := tEvalFn(param.Str); e != nil || t != istio_policy_v1beta1.STRING {
							if e != nil {
								return nil, fmt.Errorf("failed to evaluate expression for field '%s': %v", path+"Str", e)
							}
							return nil, fmt.Errorf("error type checking for field '%s': Evaluated expression type %v want %v", path+"Str", t, istio_policy_v1beta1.STRING)
						}
					}

					return nil, err

				}

				BuildResource2 = func(param *istio_mixer_adapter_sample_myapa.Resource2InstanceParam,
					path string) (proto.Message, error) {

					if param == nil {
						return nil, nil
					}

					var err error = nil

					if param.Str != "" {
						if t, e := tEvalFn(param.Str); e != nil || t != istio_policy_v1beta1.STRING {
							if e != nil {
								return nil, fmt.Errorf("failed to evaluate expression for field '%s': %v", path+"Str", e)
							}
							return nil, fmt.Errorf("error type checking for field '%s': Evaluated expression type %v want %v", path+"Str", t, istio_policy_v1beta1.STRING)
						}
					}

					return nil, err

				}

				BuildResource3 = func(param *istio_mixer_adapter_sample_myapa.Resource3InstanceParam,
					path string) (proto.Message, error) {

					if param == nil {
						return nil, nil
					}

					var err error = nil

					if param.Int64Primitive != "" {
						if t, e := tEvalFn(param.Int64Primitive); e != nil || t != istio_policy_v1beta1.INT64 {
							if e != nil {
								return nil, fmt.Errorf("failed to evaluate expression for field '%s': %v", path+"Int64Primitive", e)
							}
							return nil, fmt.Errorf("error type checking for field '%s': Evaluated expression type %v want %v", path+"Int64Primitive", t, istio_policy_v1beta1.INT64)
						}
					}

					if param.BoolPrimitive != "" {
						if t, e := tEvalFn(param.BoolPrimitive); e != nil || t != istio_policy_v1beta1.BOOL {
							if e != nil {
								return nil, fmt.Errorf("failed to evaluate expression for field '%s': %v", path+"BoolPrimitive", e)
							}
							return nil, fmt.Errorf("error type checking for field '%s': Evaluated expression type %v want %v", path+"BoolPrimitive", t, istio_policy_v1beta1.BOOL)
						}
					}

					if param.DoublePrimitive != "" {
						if t, e := tEvalFn(param.DoublePrimitive); e != nil || t != istio_policy_v1beta1.DOUBLE {
							if e != nil {
								return nil, fmt.Errorf("failed to evaluate expression for field '%s': %v", path+"DoublePrimitive", e)
							}
							return nil, fmt.Errorf("error type checking for field '%s': Evaluated expression type %v want %v", path+"DoublePrimitive", t, istio_policy_v1beta1.DOUBLE)
						}
					}

					if param.StringPrimitive != "" {
						if t, e := tEvalFn(param.StringPrimitive); e != nil || t != istio_policy_v1beta1.STRING {
							if e != nil {
								return nil, fmt.Errorf("failed to evaluate expression for field '%s': %v", path+"StringPrimitive", e)
							}
							return nil, fmt.Errorf("error type checking for field '%s': Evaluated expression type %v want %v", path+"StringPrimitive", t, istio_policy_v1beta1.STRING)
						}
					}

					for k, v := range param.DimensionsFixedInt64ValueDType {
						if t, e := tEvalFn(v); e != nil || t != istio_policy_v1beta1.INT64 {
							if e != nil {
								return nil, fmt.Errorf("failed to evaluate expression for field '%s%s[%s]'; %v", path, "DimensionsFixedInt64ValueDType", k, e)
							}
							return nil, fmt.Errorf(
								"error type checking for field '%s%s[%s]': Evaluated expression type %v want %v", path, "DimensionsFixedInt64ValueDType", k, t, istio_policy_v1beta1.INT64)
						}
					}

					if param.TimeStamp != "" {
						if t, e := tEvalFn(param.TimeStamp); e != nil || t != istio_policy_v1beta1.TIMESTAMP {
							if e != nil {
								return nil, fmt.Errorf("failed to evaluate expression for field '%s': %v", path+"TimeStamp", e)
							}
							return nil, fmt.Errorf("error type checking for field '%s': Evaluated expression type %v want %v", path+"TimeStamp", t, istio_policy_v1beta1.TIMESTAMP)
						}
					}

					if param.Duration != "" {
						if t, e := tEvalFn(param.Duration); e != nil || t != istio_policy_v1beta1.DURATION {
							if e != nil {
								return nil, fmt.Errorf("failed to evaluate expression for field '%s': %v", path+"Duration", e)
							}
							return nil, fmt.Errorf("error type checking for field '%s': Evaluated expression type %v want %v", path+"Duration", t, istio_policy_v1beta1.DURATION)
						}
					}

					return nil, err

				}

				instParam := cp.(*istio_mixer_adapter_sample_myapa.InstanceParam)

				const fullOutName = "istio_mixer_adapter_sample_myapa.output."
				for attr, exp := range instParam.AttributeBindings {
					expr := strings.Replace(exp, "$out.", fullOutName, -1)
					t1, err := tEvalFn(expr)
					if err != nil {
						return nil, fmt.Errorf("error evaluating AttributeBinding expression '%s' for attribute '%s': %v", expr, attr, err)
					}
					t2, err := tEvalFn(attr)
					if err != nil {
						return nil, fmt.Errorf("error evaluating AttributeBinding expression for attribute key '%s': %v", attr, err)
					}
					if t1 != t2 {
						return nil, fmt.Errorf(
							"error evaluating AttributeBinding: type '%v' for attribute '%s' does not match type '%s' for expression '%s'",
							t2, attr, t1, expr)
					}
				}

				return BuildTemplate(instParam, "")
			},

			AttributeManifests: []*istio_policy_v1beta1.AttributeManifest{
				{
					Attributes: map[string]*istio_policy_v1beta1.AttributeManifest_AttributeInfo{

						"istio_mixer_adapter_sample_myapa.output.int64Primitive": {
							ValueType: istio_policy_v1beta1.INT64,
						},

						"istio_mixer_adapter_sample_myapa.output.boolPrimitive": {
							ValueType: istio_policy_v1beta1.BOOL,
						},

						"istio_mixer_adapter_sample_myapa.output.doublePrimitive": {
							ValueType: istio_policy_v1beta1.DOUBLE,
						},

						"istio_mixer_adapter_sample_myapa.output.stringPrimitive": {
							ValueType: istio_policy_v1beta1.STRING,
						},

						"istio_mixer_adapter_sample_myapa.output.timeStamp": {
							ValueType: istio_policy_v1beta1.TIMESTAMP,
						},

						"istio_mixer_adapter_sample_myapa.output.duration": {
							ValueType: istio_policy_v1beta1.DURATION,
						},

						"istio_mixer_adapter_sample_myapa.output.email": {
							ValueType: istio_policy_v1beta1.EMAIL_ADDRESS,
						},

						"istio_mixer_adapter_sample_myapa.output.out_ip": {
							ValueType: istio_policy_v1beta1.IP_ADDRESS,
						},

						"istio_mixer_adapter_sample_myapa.output.out_str_map": {
							ValueType: istio_policy_v1beta1.STRING_MAP,
						},
					},
				},
			},

			// DispathGenAttrs dispatches the instance to the attribute producing handler.
			DispatchGenAttrs: func(ctx context.Context, handler adapter.Handler, inst interface{}, attrs attribute.Bag,
				mapper template.OutputMapperFn) (*attribute.MutableBag, error) {

				// Convert the instance from the generic interface{}, to their specialized type.
				instance := inst.(*istio_mixer_adapter_sample_myapa.Instance)

				// Invoke the handler.
				out, err := handler.(istio_mixer_adapter_sample_myapa.Handler).GenerateMyApaAttributes(ctx, instance)
				if err != nil {
					return nil, err
				}

				// Construct a wrapper bag around the returned output message and pass it to the output mapper
				// to map $out values back to the destination attributes in the ambient context.
				const fullOutName = "istio_mixer_adapter_sample_myapa.output."
				outBag := newWrapperAttrBag(
					func(name string) (value interface{}, found bool) {
						field := strings.TrimPrefix(name, fullOutName)
						if len(field) != len(name) {
							if !out.WasSet(field) {
								return nil, false
							}
							switch field {

							case "int64Primitive":

								return out.Int64Primitive, true

							case "boolPrimitive":

								return out.BoolPrimitive, true

							case "doublePrimitive":

								return out.DoublePrimitive, true

							case "stringPrimitive":

								return out.StringPrimitive, true

							case "timeStamp":

								return out.TimeStamp, true

							case "duration":

								return out.Duration, true

							case "email":

								return string(out.Email), true

							case "out_ip":

								return []byte(out.OutIp), true

							case "out_str_map":

								return attribute.WrapStringMap(out.OutStrMap), true

							default:
								return nil, false
							}
						}
						return attrs.Get(name)
					},
					func() []string { return attrs.Names() },
					func() { attrs.Done() },
					func() string { return attrs.String() },
				)

				// Mapper will map back $out values in the outBag into ambient attribute names, and return
				// a bag with these additional attributes.
				return mapper(outBag)
			},

			// CreateInstanceBuilder creates a new template.InstanceBuilderFN based on the supplied instance parameters. It uses
			// the expression builder to create a new instance of a builder struct for the instance type. Created
			// InstanceBuilderFn closes over this struct. When InstanceBuilderFn is called it, in turn, calls into
			// the builder with an attribute bag.
			//
			// See template.CreateInstanceBuilderFn for more details.
			CreateInstanceBuilder: func(instanceName string, param proto.Message, expb lang.Compiler) (template.InstanceBuilderFn, error) {

				// If the parameter is nil. Simply return nil. The builder, then, will also return nil.
				if param == nil {
					return func(attr attribute.Bag) (interface{}, error) {
						return nil, nil
					}, nil
				}

				// Instantiate a new builder for the instance.
				builder, errp := newBuilder_istio_mixer_adapter_sample_myapa_Template(expb, param.(*istio_mixer_adapter_sample_myapa.InstanceParam))
				if !errp.IsNil() {
					return nil, errp.AsCompilationError(instanceName)
				}

				return func(attr attribute.Bag) (interface{}, error) {
					// Use the instantiated builder (that this fn closes over) to construct an instance.
					e, errp := builder.build(attr)
					if !errp.IsNil() {
						err := errp.AsEvaluationError(instanceName)
						log.Error(err.Error())
						return nil, err
					}

					e.Name = instanceName
					return e, nil
				}, nil
			},

			// CreateOutputExpressions creates a set of compiled expressions based on the supplied instance parameters.
			//
			// See template.CreateOutputExpressionsFn for more details.
			CreateOutputExpressions: func(
				instanceParam proto.Message,
				finder attribute.AttributeDescriptorFinder,
				expb lang.Compiler) (map[string]compiled.Expression, error) {
				var err error
				var expType istio_policy_v1beta1.ValueType

				// Convert the generic instanceParam to its specialized type.
				param := instanceParam.(*istio_mixer_adapter_sample_myapa.InstanceParam)

				// Create a mapping of expressions back to the attribute names.
				expressions := make(map[string]compiled.Expression, len(param.AttributeBindings))

				const fullOutName = "istio_mixer_adapter_sample_myapa.output."
				for attrName, outExpr := range param.AttributeBindings {
					attrInfo := finder.GetAttribute(attrName)
					if attrInfo == nil {
						log.Warnf("attribute not found when mapping outputs: attr='%s', expr='%s'", attrName, outExpr)
						continue
					}

					ex := strings.Replace(outExpr, "$out.", fullOutName, -1)

					if expressions[attrName], expType, err = expb.Compile(ex); err != nil {
						return nil, err
					}

					if attrInfo.ValueType != expType {
						log.Warnf("attribute type mismatch: attr='%s', attrType='%v', expr='%s', exprType='%v'", attrName, attrInfo.ValueType, outExpr, expType)
						continue
					}
				}

				return expressions, nil
			},
		},

		istio_mixer_adapter_sample_check.TemplateName: {
			Name:               istio_mixer_adapter_sample_check.TemplateName,
			Impl:               "istio.mixer.adapter.sample.check",
			CtrCfg:             &istio_mixer_adapter_sample_check.InstanceParam{},
			Variety:            istio_adapter_model_v1beta1.TEMPLATE_VARIETY_CHECK,
			BldrInterfaceName:  istio_mixer_adapter_sample_check.TemplateName + "." + "HandlerBuilder",
			HndlrInterfaceName: istio_mixer_adapter_sample_check.TemplateName + "." + "Handler",
			BuilderSupportsTemplate: func(hndlrBuilder adapter.HandlerBuilder) bool {
				_, ok := hndlrBuilder.(istio_mixer_adapter_sample_check.HandlerBuilder)
				return ok
			},
			HandlerSupportsTemplate: func(hndlr adapter.Handler) bool {
				_, ok := hndlr.(istio_mixer_adapter_sample_check.Handler)
				return ok
			},
			InferType: func(cp proto.Message, tEvalFn template.TypeEvalFn) (proto.Message, error) {

				var BuildTemplate func(param *istio_mixer_adapter_sample_check.InstanceParam,
					path string) (*istio_mixer_adapter_sample_check.Type, error)

				_ = BuildTemplate

				var BuildRes1 func(param *istio_mixer_adapter_sample_check.Res1InstanceParam,
					path string) (*istio_mixer_adapter_sample_check.Res1Type, error)

				_ = BuildRes1

				var BuildRes2 func(param *istio_mixer_adapter_sample_check.Res2InstanceParam,
					path string) (*istio_mixer_adapter_sample_check.Res2Type, error)

				_ = BuildRes2

				BuildTemplate = func(param *istio_mixer_adapter_sample_check.InstanceParam,
					path string) (*istio_mixer_adapter_sample_check.Type, error) {

					if param == nil {
						return nil, nil
					}

					infrdType := &istio_mixer_adapter_sample_check.Type{}

					var err error = nil

					if param.CheckExpression != "" {
						if t, e := tEvalFn(param.CheckExpression); e != nil || t != istio_policy_v1beta1.STRING {
							if e != nil {
								return nil, fmt.Errorf("failed to evaluate expression for field '%s': %v", path+"CheckExpression", e)
							}
							return nil, fmt.Errorf("error type checking for field '%s': Evaluated expression type %v want %v", path+"CheckExpression", t, istio_policy_v1beta1.STRING)
						}
					}

					for k, v := range param.StringMap {
						if t, e := tEvalFn(v); e != nil || t != istio_policy_v1beta1.STRING {
							if e != nil {
								return nil, fmt.Errorf("failed to evaluate expression for field '%s%s[%s]'; %v", path, "StringMap", k, e)
							}
							return nil, fmt.Errorf(
								"error type checking for field '%s%s[%s]': Evaluated expression type %v want %v", path, "StringMap", k, t, istio_policy_v1beta1.STRING)
						}
					}

					if param.Res1 != nil {

						if infrdType.Res1, err = BuildRes1(param.Res1, path+"Res1."); err != nil {
							return nil, fmt.Errorf("failed to evaluate expression for field '%s'; %v", path+"Res1", err)
						}
					}

					return infrdType, err

				}

				BuildRes1 = func(param *istio_mixer_adapter_sample_check.Res1InstanceParam,
					path string) (*istio_mixer_adapter_sample_check.Res1Type, error) {

					if param == nil {
						return nil, nil
					}

					infrdType := &istio_mixer_adapter_sample_check.Res1Type{}

					var err error = nil

					if param.Value == "" {
						infrdType.Value = istio_policy_v1beta1.VALUE_TYPE_UNSPECIFIED
					} else if infrdType.Value, err = tEvalFn(param.Value); err != nil {
						return nil, fmt.Errorf("failed to evaluate expression for field '%s'; %v", path+"Value", err)
					}

					infrdType.Dimensions = make(map[string]istio_policy_v1beta1.ValueType, len(param.Dimensions))

					for k, v := range param.Dimensions {

						if infrdType.Dimensions[k], err = tEvalFn(v); err != nil {

							return nil, fmt.Errorf("failed to evaluate expression for field '%s%s[%s]'; %v", path, "Dimensions", k, err)
						}
					}

					if param.Int64Primitive != "" {
						if t, e := tEvalFn(param.Int64Primitive); e != nil || t != istio_policy_v1beta1.INT64 {
							if e != nil {
								return nil, fmt.Errorf("failed to evaluate expression for field '%s': %v", path+"Int64Primitive", e)
							}
							return nil, fmt.Errorf("error type checking for field '%s': Evaluated expression type %v want %v", path+"Int64Primitive", t, istio_policy_v1beta1.INT64)
						}
					}

					if param.BoolPrimitive != "" {
						if t, e := tEvalFn(param.BoolPrimitive); e != nil || t != istio_policy_v1beta1.BOOL {
							if e != nil {
								return nil, fmt.Errorf("failed to evaluate expression for field '%s': %v", path+"BoolPrimitive", e)
							}
							return nil, fmt.Errorf("error type checking for field '%s': Evaluated expression type %v want %v", path+"BoolPrimitive", t, istio_policy_v1beta1.BOOL)
						}
					}

					if param.DoublePrimitive != "" {
						if t, e := tEvalFn(param.DoublePrimitive); e != nil || t != istio_policy_v1beta1.DOUBLE {
							if e != nil {
								return nil, fmt.Errorf("failed to evaluate expression for field '%s': %v", path+"DoublePrimitive", e)
							}
							return nil, fmt.Errorf("error type checking for field '%s': Evaluated expression type %v want %v", path+"DoublePrimitive", t, istio_policy_v1beta1.DOUBLE)
						}
					}

					if param.StringPrimitive != "" {
						if t, e := tEvalFn(param.StringPrimitive); e != nil || t != istio_policy_v1beta1.STRING {
							if e != nil {
								return nil, fmt.Errorf("failed to evaluate expression for field '%s': %v", path+"StringPrimitive", e)
							}
							return nil, fmt.Errorf("error type checking for field '%s': Evaluated expression type %v want %v", path+"StringPrimitive", t, istio_policy_v1beta1.STRING)
						}
					}

					for k, v := range param.Int64Map {
						if t, e := tEvalFn(v); e != nil || t != istio_policy_v1beta1.INT64 {
							if e != nil {
								return nil, fmt.Errorf("failed to evaluate expression for field '%s%s[%s]'; %v", path, "Int64Map", k, e)
							}
							return nil, fmt.Errorf(
								"error type checking for field '%s%s[%s]': Evaluated expression type %v want %v", path, "Int64Map", k, t, istio_policy_v1beta1.INT64)
						}
					}

					if param.TimeStamp != "" {
						if t, e := tEvalFn(param.TimeStamp); e != nil || t != istio_policy_v1beta1.TIMESTAMP {
							if e != nil {
								return nil, fmt.Errorf("failed to evaluate expression for field '%s': %v", path+"TimeStamp", e)
							}
							return nil, fmt.Errorf("error type checking for field '%s': Evaluated expression type %v want %v", path+"TimeStamp", t, istio_policy_v1beta1.TIMESTAMP)
						}
					}

					if param.Duration != "" {
						if t, e := tEvalFn(param.Duration); e != nil || t != istio_policy_v1beta1.DURATION {
							if e != nil {
								return nil, fmt.Errorf("failed to evaluate expression for field '%s': %v", path+"Duration", e)
							}
							return nil, fmt.Errorf("error type checking for field '%s': Evaluated expression type %v want %v", path+"Duration", t, istio_policy_v1beta1.DURATION)
						}
					}

					if param.Res2 != nil {

						if infrdType.Res2, err = BuildRes2(param.Res2, path+"Res2."); err != nil {
							return nil, fmt.Errorf("failed to evaluate expression for field '%s'; %v", path+"Res2", err)
						}
					}

					infrdType.Res2Map = make(map[string]*istio_mixer_adapter_sample_check.Res2Type, len(param.Res2Map))

					for k, v := range param.Res2Map {

						if infrdType.Res2Map[k], err = BuildRes2(v, path+"Res2Map["+k+"]."); err != nil {

							return nil, fmt.Errorf("failed to evaluate expression for field '%s%s[%s]'; %v", path, "Res2Map", k, err)
						}
					}

					return infrdType, err

				}

				BuildRes2 = func(param *istio_mixer_adapter_sample_check.Res2InstanceParam,
					path string) (*istio_mixer_adapter_sample_check.Res2Type, error) {

					if param == nil {
						return nil, nil
					}

					infrdType := &istio_mixer_adapter_sample_check.Res2Type{}

					var err error = nil

					if param.Value == "" {
						infrdType.Value = istio_policy_v1beta1.VALUE_TYPE_UNSPECIFIED
					} else if infrdType.Value, err = tEvalFn(param.Value); err != nil {
						return nil, fmt.Errorf("failed to evaluate expression for field '%s'; %v", path+"Value", err)
					}

					infrdType.Dimensions = make(map[string]istio_policy_v1beta1.ValueType, len(param.Dimensions))

					for k, v := range param.Dimensions {

						if infrdType.Dimensions[k], err = tEvalFn(v); err != nil {

							return nil, fmt.Errorf("failed to evaluate expression for field '%s%s[%s]'; %v", path, "Dimensions", k, err)
						}
					}

					if param.Int64Primitive != "" {
						if t, e := tEvalFn(param.Int64Primitive); e != nil || t != istio_policy_v1beta1.INT64 {
							if e != nil {
								return nil, fmt.Errorf("failed to evaluate expression for field '%s': %v", path+"Int64Primitive", e)
							}
							return nil, fmt.Errorf("error type checking for field '%s': Evaluated expression type %v want %v", path+"Int64Primitive", t, istio_policy_v1beta1.INT64)
						}
					}

					return infrdType, err

				}

				instParam := cp.(*istio_mixer_adapter_sample_check.InstanceParam)

				return BuildTemplate(instParam, "")
			},

			SetType: func(types map[string]proto.Message, builder adapter.HandlerBuilder) {
				// Mixer framework should have ensured the type safety.
				castedBuilder := builder.(istio_mixer_adapter_sample_check.HandlerBuilder)
				castedTypes := make(map[string]*istio_mixer_adapter_sample_check.Type, len(types))
				for k, v := range types {
					// Mixer framework should have ensured the type safety.
					v1 := v.(*istio_mixer_adapter_sample_check.Type)
					castedTypes[k] = v1
				}
				castedBuilder.SetCheckTypes(castedTypes)
			},

			// DispatchCheck dispatches the instance to the handler.
			DispatchCheck: func(ctx context.Context, handler adapter.Handler, inst interface{}, out *attribute.MutableBag, outPrefix string) (adapter.CheckResult, error) {

				// Convert the instance from the generic interface{}, to its specialized type.
				instance := inst.(*istio_mixer_adapter_sample_check.Instance)

				// Invoke the handler.
				return handler.(istio_mixer_adapter_sample_check.Handler).HandleCheck(ctx, instance)
			},

			// CreateInstanceBuilder creates a new template.InstanceBuilderFN based on the supplied instance parameters. It uses
			// the expression builder to create a new instance of a builder struct for the instance type. Created
			// InstanceBuilderFn closes over this struct. When InstanceBuilderFn is called it, in turn, calls into
			// the builder with an attribute bag.
			//
			// See template.CreateInstanceBuilderFn for more details.
			CreateInstanceBuilder: func(instanceName string, param proto.Message, expb lang.Compiler) (template.InstanceBuilderFn, error) {

				// If the parameter is nil. Simply return nil. The builder, then, will also return nil.
				if param == nil {
					return func(attr attribute.Bag) (interface{}, error) {
						return nil, nil
					}, nil
				}

				// Instantiate a new builder for the instance.
				builder, errp := newBuilder_istio_mixer_adapter_sample_check_Template(expb, param.(*istio_mixer_adapter_sample_check.InstanceParam))
				if !errp.IsNil() {
					return nil, errp.AsCompilationError(instanceName)
				}

				return func(attr attribute.Bag) (interface{}, error) {
					// Use the instantiated builder (that this fn closes over) to construct an instance.
					e, errp := builder.build(attr)
					if !errp.IsNil() {
						err := errp.AsEvaluationError(instanceName)
						log.Error(err.Error())
						return nil, err
					}

					e.Name = instanceName
					return e, nil
				}, nil
			},
		},

		istio_mixer_adapter_sample_quota.TemplateName: {
			Name:               istio_mixer_adapter_sample_quota.TemplateName,
			Impl:               "istio.mixer.adapter.sample.quota",
			CtrCfg:             &istio_mixer_adapter_sample_quota.InstanceParam{},
			Variety:            istio_adapter_model_v1beta1.TEMPLATE_VARIETY_QUOTA,
			BldrInterfaceName:  istio_mixer_adapter_sample_quota.TemplateName + "." + "HandlerBuilder",
			HndlrInterfaceName: istio_mixer_adapter_sample_quota.TemplateName + "." + "Handler",
			BuilderSupportsTemplate: func(hndlrBuilder adapter.HandlerBuilder) bool {
				_, ok := hndlrBuilder.(istio_mixer_adapter_sample_quota.HandlerBuilder)
				return ok
			},
			HandlerSupportsTemplate: func(hndlr adapter.Handler) bool {
				_, ok := hndlr.(istio_mixer_adapter_sample_quota.Handler)
				return ok
			},
			InferType: func(cp proto.Message, tEvalFn template.TypeEvalFn) (proto.Message, error) {

				var BuildTemplate func(param *istio_mixer_adapter_sample_quota.InstanceParam,
					path string) (*istio_mixer_adapter_sample_quota.Type, error)

				_ = BuildTemplate

				var BuildRes1 func(param *istio_mixer_adapter_sample_quota.Res1InstanceParam,
					path string) (*istio_mixer_adapter_sample_quota.Res1Type, error)

				_ = BuildRes1

				var BuildRes2 func(param *istio_mixer_adapter_sample_quota.Res2InstanceParam,
					path string) (*istio_mixer_adapter_sample_quota.Res2Type, error)

				_ = BuildRes2

				BuildTemplate = func(param *istio_mixer_adapter_sample_quota.InstanceParam,
					path string) (*istio_mixer_adapter_sample_quota.Type, error) {

					if param == nil {
						return nil, nil
					}

					infrdType := &istio_mixer_adapter_sample_quota.Type{}

					var err error = nil

					infrdType.Dimensions = make(map[string]istio_policy_v1beta1.ValueType, len(param.Dimensions))

					for k, v := range param.Dimensions {

						if infrdType.Dimensions[k], err = tEvalFn(v); err != nil {

							return nil, fmt.Errorf("failed to evaluate expression for field '%s%s[%s]'; %v", path, "Dimensions", k, err)
						}
					}

					for k, v := range param.BoolMap {
						if t, e := tEvalFn(v); e != nil || t != istio_policy_v1beta1.BOOL {
							if e != nil {
								return nil, fmt.Errorf("failed to evaluate expression for field '%s%s[%s]'; %v", path, "BoolMap", k, e)
							}
							return nil, fmt.Errorf(
								"error type checking for field '%s%s[%s]': Evaluated expression type %v want %v", path, "BoolMap", k, t, istio_policy_v1beta1.BOOL)
						}
					}

					if param.Res1 != nil {

						if infrdType.Res1, err = BuildRes1(param.Res1, path+"Res1."); err != nil {
							return nil, fmt.Errorf("failed to evaluate expression for field '%s'; %v", path+"Res1", err)
						}
					}

					return infrdType, err

				}

				BuildRes1 = func(param *istio_mixer_adapter_sample_quota.Res1InstanceParam,
					path string) (*istio_mixer_adapter_sample_quota.Res1Type, error) {

					if param == nil {
						return nil, nil
					}

					infrdType := &istio_mixer_adapter_sample_quota.Res1Type{}

					var err error = nil

					if param.Value == "" {
						infrdType.Value = istio_policy_v1beta1.VALUE_TYPE_UNSPECIFIED
					} else if infrdType.Value, err = tEvalFn(param.Value); err != nil {
						return nil, fmt.Errorf("failed to evaluate expression for field '%s'; %v", path+"Value", err)
					}

					infrdType.Dimensions = make(map[string]istio_policy_v1beta1.ValueType, len(param.Dimensions))

					for k, v := range param.Dimensions {

						if infrdType.Dimensions[k], err = tEvalFn(v); err != nil {

							return nil, fmt.Errorf("failed to evaluate expression for field '%s%s[%s]'; %v", path, "Dimensions", k, err)
						}
					}

					if param.Int64Primitive != "" {
						if t, e := tEvalFn(param.Int64Primitive); e != nil || t != istio_policy_v1beta1.INT64 {
							if e != nil {
								return nil, fmt.Errorf("failed to evaluate expression for field '%s': %v", path+"Int64Primitive", e)
							}
							return nil, fmt.Errorf("error type checking for field '%s': Evaluated expression type %v want %v", path+"Int64Primitive", t, istio_policy_v1beta1.INT64)
						}
					}

					if param.BoolPrimitive != "" {
						if t, e := tEvalFn(param.BoolPrimitive); e != nil || t != istio_policy_v1beta1.BOOL {
							if e != nil {
								return nil, fmt.Errorf("failed to evaluate expression for field '%s': %v", path+"BoolPrimitive", e)
							}
							return nil, fmt.Errorf("error type checking for field '%s': Evaluated expression type %v want %v", path+"BoolPrimitive", t, istio_policy_v1beta1.BOOL)
						}
					}

					if param.DoublePrimitive != "" {
						if t, e := tEvalFn(param.DoublePrimitive); e != nil || t != istio_policy_v1beta1.DOUBLE {
							if e != nil {
								return nil, fmt.Errorf("failed to evaluate expression for field '%s': %v", path+"DoublePrimitive", e)
							}
							return nil, fmt.Errorf("error type checking for field '%s': Evaluated expression type %v want %v", path+"DoublePrimitive", t, istio_policy_v1beta1.DOUBLE)
						}
					}

					if param.StringPrimitive != "" {
						if t, e := tEvalFn(param.StringPrimitive); e != nil || t != istio_policy_v1beta1.STRING {
							if e != nil {
								return nil, fmt.Errorf("failed to evaluate expression for field '%s': %v", path+"StringPrimitive", e)
							}
							return nil, fmt.Errorf("error type checking for field '%s': Evaluated expression type %v want %v", path+"StringPrimitive", t, istio_policy_v1beta1.STRING)
						}
					}

					for k, v := range param.Int64Map {
						if t, e := tEvalFn(v); e != nil || t != istio_policy_v1beta1.INT64 {
							if e != nil {
								return nil, fmt.Errorf("failed to evaluate expression for field '%s%s[%s]'; %v", path, "Int64Map", k, e)
							}
							return nil, fmt.Errorf(
								"error type checking for field '%s%s[%s]': Evaluated expression type %v want %v", path, "Int64Map", k, t, istio_policy_v1beta1.INT64)
						}
					}

					if param.TimeStamp != "" {
						if t, e := tEvalFn(param.TimeStamp); e != nil || t != istio_policy_v1beta1.TIMESTAMP {
							if e != nil {
								return nil, fmt.Errorf("failed to evaluate expression for field '%s': %v", path+"TimeStamp", e)
							}
							return nil, fmt.Errorf("error type checking for field '%s': Evaluated expression type %v want %v", path+"TimeStamp", t, istio_policy_v1beta1.TIMESTAMP)
						}
					}

					if param.Duration != "" {
						if t, e := tEvalFn(param.Duration); e != nil || t != istio_policy_v1beta1.DURATION {
							if e != nil {
								return nil, fmt.Errorf("failed to evaluate expression for field '%s': %v", path+"Duration", e)
							}
							return nil, fmt.Errorf("error type checking for field '%s': Evaluated expression type %v want %v", path+"Duration", t, istio_policy_v1beta1.DURATION)
						}
					}

					if param.Res2 != nil {

						if infrdType.Res2, err = BuildRes2(param.Res2, path+"Res2."); err != nil {
							return nil, fmt.Errorf("failed to evaluate expression for field '%s'; %v", path+"Res2", err)
						}
					}

					infrdType.Res2Map = make(map[string]*istio_mixer_adapter_sample_quota.Res2Type, len(param.Res2Map))

					for k, v := range param.Res2Map {

						if infrdType.Res2Map[k], err = BuildRes2(v, path+"Res2Map["+k+"]."); err != nil {

							return nil, fmt.Errorf("failed to evaluate expression for field '%s%s[%s]'; %v", path, "Res2Map", k, err)
						}
					}

					return infrdType, err

				}

				BuildRes2 = func(param *istio_mixer_adapter_sample_quota.Res2InstanceParam,
					path string) (*istio_mixer_adapter_sample_quota.Res2Type, error) {

					if param == nil {
						return nil, nil
					}

					infrdType := &istio_mixer_adapter_sample_quota.Res2Type{}

					var err error = nil

					if param.Value == "" {
						infrdType.Value = istio_policy_v1beta1.VALUE_TYPE_UNSPECIFIED
					} else if infrdType.Value, err = tEvalFn(param.Value); err != nil {
						return nil, fmt.Errorf("failed to evaluate expression for field '%s'; %v", path+"Value", err)
					}

					infrdType.Dimensions = make(map[string]istio_policy_v1beta1.ValueType, len(param.Dimensions))

					for k, v := range param.Dimensions {

						if infrdType.Dimensions[k], err = tEvalFn(v); err != nil {

							return nil, fmt.Errorf("failed to evaluate expression for field '%s%s[%s]'; %v", path, "Dimensions", k, err)
						}
					}

					if param.Int64Primitive != "" {
						if t, e := tEvalFn(param.Int64Primitive); e != nil || t != istio_policy_v1beta1.INT64 {
							if e != nil {
								return nil, fmt.Errorf("failed to evaluate expression for field '%s': %v", path+"Int64Primitive", e)
							}
							return nil, fmt.Errorf("error type checking for field '%s': Evaluated expression type %v want %v", path+"Int64Primitive", t, istio_policy_v1beta1.INT64)
						}
					}

					return infrdType, err

				}

				instParam := cp.(*istio_mixer_adapter_sample_quota.InstanceParam)

				return BuildTemplate(instParam, "")
			},

			SetType: func(types map[string]proto.Message, builder adapter.HandlerBuilder) {
				// Mixer framework should have ensured the type safety.
				castedBuilder := builder.(istio_mixer_adapter_sample_quota.HandlerBuilder)
				castedTypes := make(map[string]*istio_mixer_adapter_sample_quota.Type, len(types))
				for k, v := range types {
					// Mixer framework should have ensured the type safety.
					v1 := v.(*istio_mixer_adapter_sample_quota.Type)
					castedTypes[k] = v1
				}
				castedBuilder.SetQuotaTypes(castedTypes)
			},

			// DispatchQuota dispatches the instance to the handler.
			DispatchQuota: func(ctx context.Context, handler adapter.Handler, inst interface{}, args adapter.QuotaArgs) (adapter.QuotaResult, error) {

				// Convert the instance from the generic interface{}, to its specialized type.
				instance := inst.(*istio_mixer_adapter_sample_quota.Instance)

				// Invoke the handler.
				return handler.(istio_mixer_adapter_sample_quota.Handler).HandleQuota(ctx, instance, args)
			},

			// CreateInstanceBuilder creates a new template.InstanceBuilderFN based on the supplied instance parameters. It uses
			// the expression builder to create a new instance of a builder struct for the instance type. Created
			// InstanceBuilderFn closes over this struct. When InstanceBuilderFn is called it, in turn, calls into
			// the builder with an attribute bag.
			//
			// See template.CreateInstanceBuilderFn for more details.
			CreateInstanceBuilder: func(instanceName string, param proto.Message, expb lang.Compiler) (template.InstanceBuilderFn, error) {

				// If the parameter is nil. Simply return nil. The builder, then, will also return nil.
				if param == nil {
					return func(attr attribute.Bag) (interface{}, error) {
						return nil, nil
					}, nil
				}

				// Instantiate a new builder for the instance.
				builder, errp := newBuilder_istio_mixer_adapter_sample_quota_Template(expb, param.(*istio_mixer_adapter_sample_quota.InstanceParam))
				if !errp.IsNil() {
					return nil, errp.AsCompilationError(instanceName)
				}

				return func(attr attribute.Bag) (interface{}, error) {
					// Use the instantiated builder (that this fn closes over) to construct an instance.
					e, errp := builder.build(attr)
					if !errp.IsNil() {
						err := errp.AsEvaluationError(instanceName)
						log.Error(err.Error())
						return nil, err
					}

					e.Name = instanceName
					return e, nil
				}, nil
			},
		},

		istio_mixer_adapter_sample_report.TemplateName: {
			Name:               istio_mixer_adapter_sample_report.TemplateName,
			Impl:               "istio.mixer.adapter.sample.report",
			CtrCfg:             &istio_mixer_adapter_sample_report.InstanceParam{},
			Variety:            istio_adapter_model_v1beta1.TEMPLATE_VARIETY_REPORT,
			BldrInterfaceName:  istio_mixer_adapter_sample_report.TemplateName + "." + "HandlerBuilder",
			HndlrInterfaceName: istio_mixer_adapter_sample_report.TemplateName + "." + "Handler",
			BuilderSupportsTemplate: func(hndlrBuilder adapter.HandlerBuilder) bool {
				_, ok := hndlrBuilder.(istio_mixer_adapter_sample_report.HandlerBuilder)
				return ok
			},
			HandlerSupportsTemplate: func(hndlr adapter.Handler) bool {
				_, ok := hndlr.(istio_mixer_adapter_sample_report.Handler)
				return ok
			},
			InferType: func(cp proto.Message, tEvalFn template.TypeEvalFn) (proto.Message, error) {

				var BuildTemplate func(param *istio_mixer_adapter_sample_report.InstanceParam,
					path string) (*istio_mixer_adapter_sample_report.Type, error)

				_ = BuildTemplate

				var BuildRes1 func(param *istio_mixer_adapter_sample_report.Res1InstanceParam,
					path string) (*istio_mixer_adapter_sample_report.Res1Type, error)

				_ = BuildRes1

				var BuildRes2 func(param *istio_mixer_adapter_sample_report.Res2InstanceParam,
					path string) (*istio_mixer_adapter_sample_report.Res2Type, error)

				_ = BuildRes2

				BuildTemplate = func(param *istio_mixer_adapter_sample_report.InstanceParam,
					path string) (*istio_mixer_adapter_sample_report.Type, error) {

					if param == nil {
						return nil, nil
					}

					infrdType := &istio_mixer_adapter_sample_report.Type{}

					var err error = nil

					if param.Value == "" {
						infrdType.Value = istio_policy_v1beta1.VALUE_TYPE_UNSPECIFIED
					} else if infrdType.Value, err = tEvalFn(param.Value); err != nil {
						return nil, fmt.Errorf("failed to evaluate expression for field '%s'; %v", path+"Value", err)
					}

					infrdType.Dimensions = make(map[string]istio_policy_v1beta1.ValueType, len(param.Dimensions))

					for k, v := range param.Dimensions {

						if infrdType.Dimensions[k], err = tEvalFn(v); err != nil {

							return nil, fmt.Errorf("failed to evaluate expression for field '%s%s[%s]'; %v", path, "Dimensions", k, err)
						}
					}

					if param.Int64Primitive != "" {
						if t, e := tEvalFn(param.Int64Primitive); e != nil || t != istio_policy_v1beta1.INT64 {
							if e != nil {
								return nil, fmt.Errorf("failed to evaluate expression for field '%s': %v", path+"Int64Primitive", e)
							}
							return nil, fmt.Errorf("error type checking for field '%s': Evaluated expression type %v want %v", path+"Int64Primitive", t, istio_policy_v1beta1.INT64)
						}
					}

					if param.BoolPrimitive != "" {
						if t, e := tEvalFn(param.BoolPrimitive); e != nil || t != istio_policy_v1beta1.BOOL {
							if e != nil {
								return nil, fmt.Errorf("failed to evaluate expression for field '%s': %v", path+"BoolPrimitive", e)
							}
							return nil, fmt.Errorf("error type checking for field '%s': Evaluated expression type %v want %v", path+"BoolPrimitive", t, istio_policy_v1beta1.BOOL)
						}
					}

					if param.DoublePrimitive != "" {
						if t, e := tEvalFn(param.DoublePrimitive); e != nil || t != istio_policy_v1beta1.DOUBLE {
							if e != nil {
								return nil, fmt.Errorf("failed to evaluate expression for field '%s': %v", path+"DoublePrimitive", e)
							}
							return nil, fmt.Errorf("error type checking for field '%s': Evaluated expression type %v want %v", path+"DoublePrimitive", t, istio_policy_v1beta1.DOUBLE)
						}
					}

					if param.StringPrimitive != "" {
						if t, e := tEvalFn(param.StringPrimitive); e != nil || t != istio_policy_v1beta1.STRING {
							if e != nil {
								return nil, fmt.Errorf("failed to evaluate expression for field '%s': %v", path+"StringPrimitive", e)
							}
							return nil, fmt.Errorf("error type checking for field '%s': Evaluated expression type %v want %v", path+"StringPrimitive", t, istio_policy_v1beta1.STRING)
						}
					}

					for k, v := range param.Int64Map {
						if t, e := tEvalFn(v); e != nil || t != istio_policy_v1beta1.INT64 {
							if e != nil {
								return nil, fmt.Errorf("failed to evaluate expression for field '%s%s[%s]'; %v", path, "Int64Map", k, e)
							}
							return nil, fmt.Errorf(
								"error type checking for field '%s%s[%s]': Evaluated expression type %v want %v", path, "Int64Map", k, t, istio_policy_v1beta1.INT64)
						}
					}

					if param.TimeStamp != "" {
						if t, e := tEvalFn(param.TimeStamp); e != nil || t != istio_policy_v1beta1.TIMESTAMP {
							if e != nil {
								return nil, fmt.Errorf("failed to evaluate expression for field '%s': %v", path+"TimeStamp", e)
							}
							return nil, fmt.Errorf("error type checking for field '%s': Evaluated expression type %v want %v", path+"TimeStamp", t, istio_policy_v1beta1.TIMESTAMP)
						}
					}

					if param.Duration != "" {
						if t, e := tEvalFn(param.Duration); e != nil || t != istio_policy_v1beta1.DURATION {
							if e != nil {
								return nil, fmt.Errorf("failed to evaluate expression for field '%s': %v", path+"Duration", e)
							}
							return nil, fmt.Errorf("error type checking for field '%s': Evaluated expression type %v want %v", path+"Duration", t, istio_policy_v1beta1.DURATION)
						}
					}

					if param.Res1 != nil {

						if infrdType.Res1, err = BuildRes1(param.Res1, path+"Res1."); err != nil {
							return nil, fmt.Errorf("failed to evaluate expression for field '%s'; %v", path+"Res1", err)
						}
					}

					return infrdType, err

				}

				BuildRes1 = func(param *istio_mixer_adapter_sample_report.Res1InstanceParam,
					path string) (*istio_mixer_adapter_sample_report.Res1Type, error) {

					if param == nil {
						return nil, nil
					}

					infrdType := &istio_mixer_adapter_sample_report.Res1Type{}

					var err error = nil

					if param.Value == "" {
						infrdType.Value = istio_policy_v1beta1.VALUE_TYPE_UNSPECIFIED
					} else if infrdType.Value, err = tEvalFn(param.Value); err != nil {
						return nil, fmt.Errorf("failed to evaluate expression for field '%s'; %v", path+"Value", err)
					}

					infrdType.Dimensions = make(map[string]istio_policy_v1beta1.ValueType, len(param.Dimensions))

					for k, v := range param.Dimensions {

						if infrdType.Dimensions[k], err = tEvalFn(v); err != nil {

							return nil, fmt.Errorf("failed to evaluate expression for field '%s%s[%s]'; %v", path, "Dimensions", k, err)
						}
					}

					if param.Int64Primitive != "" {
						if t, e := tEvalFn(param.Int64Primitive); e != nil || t != istio_policy_v1beta1.INT64 {
							if e != nil {
								return nil, fmt.Errorf("failed to evaluate expression for field '%s': %v", path+"Int64Primitive", e)
							}
							return nil, fmt.Errorf("error type checking for field '%s': Evaluated expression type %v want %v", path+"Int64Primitive", t, istio_policy_v1beta1.INT64)
						}
					}

					if param.BoolPrimitive != "" {
						if t, e := tEvalFn(param.BoolPrimitive); e != nil || t != istio_policy_v1beta1.BOOL {
							if e != nil {
								return nil, fmt.Errorf("failed to evaluate expression for field '%s': %v", path+"BoolPrimitive", e)
							}
							return nil, fmt.Errorf("error type checking for field '%s': Evaluated expression type %v want %v", path+"BoolPrimitive", t, istio_policy_v1beta1.BOOL)
						}
					}

					if param.DoublePrimitive != "" {
						if t, e := tEvalFn(param.DoublePrimitive); e != nil || t != istio_policy_v1beta1.DOUBLE {
							if e != nil {
								return nil, fmt.Errorf("failed to evaluate expression for field '%s': %v", path+"DoublePrimitive", e)
							}
							return nil, fmt.Errorf("error type checking for field '%s': Evaluated expression type %v want %v", path+"DoublePrimitive", t, istio_policy_v1beta1.DOUBLE)
						}
					}

					if param.StringPrimitive != "" {
						if t, e := tEvalFn(param.StringPrimitive); e != nil || t != istio_policy_v1beta1.STRING {
							if e != nil {
								return nil, fmt.Errorf("failed to evaluate expression for field '%s': %v", path+"StringPrimitive", e)
							}
							return nil, fmt.Errorf("error type checking for field '%s': Evaluated expression type %v want %v", path+"StringPrimitive", t, istio_policy_v1beta1.STRING)
						}
					}

					for k, v := range param.Int64Map {
						if t, e := tEvalFn(v); e != nil || t != istio_policy_v1beta1.INT64 {
							if e != nil {
								return nil, fmt.Errorf("failed to evaluate expression for field '%s%s[%s]'; %v", path, "Int64Map", k, e)
							}
							return nil, fmt.Errorf(
								"error type checking for field '%s%s[%s]': Evaluated expression type %v want %v", path, "Int64Map", k, t, istio_policy_v1beta1.INT64)
						}
					}

					if param.TimeStamp != "" {
						if t, e := tEvalFn(param.TimeStamp); e != nil || t != istio_policy_v1beta1.TIMESTAMP {
							if e != nil {
								return nil, fmt.Errorf("failed to evaluate expression for field '%s': %v", path+"TimeStamp", e)
							}
							return nil, fmt.Errorf("error type checking for field '%s': Evaluated expression type %v want %v", path+"TimeStamp", t, istio_policy_v1beta1.TIMESTAMP)
						}
					}

					if param.Duration != "" {
						if t, e := tEvalFn(param.Duration); e != nil || t != istio_policy_v1beta1.DURATION {
							if e != nil {
								return nil, fmt.Errorf("failed to evaluate expression for field '%s': %v", path+"Duration", e)
							}
							return nil, fmt.Errorf("error type checking for field '%s': Evaluated expression type %v want %v", path+"Duration", t, istio_policy_v1beta1.DURATION)
						}
					}

					if param.Res2 != nil {

						if infrdType.Res2, err = BuildRes2(param.Res2, path+"Res2."); err != nil {
							return nil, fmt.Errorf("failed to evaluate expression for field '%s'; %v", path+"Res2", err)
						}
					}

					infrdType.Res2Map = make(map[string]*istio_mixer_adapter_sample_report.Res2Type, len(param.Res2Map))

					for k, v := range param.Res2Map {

						if infrdType.Res2Map[k], err = BuildRes2(v, path+"Res2Map["+k+"]."); err != nil {

							return nil, fmt.Errorf("failed to evaluate expression for field '%s%s[%s]'; %v", path, "Res2Map", k, err)
						}
					}

					return infrdType, err

				}

				BuildRes2 = func(param *istio_mixer_adapter_sample_report.Res2InstanceParam,
					path string) (*istio_mixer_adapter_sample_report.Res2Type, error) {

					if param == nil {
						return nil, nil
					}

					infrdType := &istio_mixer_adapter_sample_report.Res2Type{}

					var err error = nil

					if param.Value == "" {
						infrdType.Value = istio_policy_v1beta1.VALUE_TYPE_UNSPECIFIED
					} else if infrdType.Value, err = tEvalFn(param.Value); err != nil {
						return nil, fmt.Errorf("failed to evaluate expression for field '%s'; %v", path+"Value", err)
					}

					infrdType.Dimensions = make(map[string]istio_policy_v1beta1.ValueType, len(param.Dimensions))

					for k, v := range param.Dimensions {

						if infrdType.Dimensions[k], err = tEvalFn(v); err != nil {

							return nil, fmt.Errorf("failed to evaluate expression for field '%s%s[%s]'; %v", path, "Dimensions", k, err)
						}
					}

					if param.Int64Primitive != "" {
						if t, e := tEvalFn(param.Int64Primitive); e != nil || t != istio_policy_v1beta1.INT64 {
							if e != nil {
								return nil, fmt.Errorf("failed to evaluate expression for field '%s': %v", path+"Int64Primitive", e)
							}
							return nil, fmt.Errorf("error type checking for field '%s': Evaluated expression type %v want %v", path+"Int64Primitive", t, istio_policy_v1beta1.INT64)
						}
					}

					if param.TimeStamp != "" {
						if t, e := tEvalFn(param.TimeStamp); e != nil || t != istio_policy_v1beta1.TIMESTAMP {
							if e != nil {
								return nil, fmt.Errorf("failed to evaluate expression for field '%s': %v", path+"TimeStamp", e)
							}
							return nil, fmt.Errorf("error type checking for field '%s': Evaluated expression type %v want %v", path+"TimeStamp", t, istio_policy_v1beta1.TIMESTAMP)
						}
					}

					if param.Duration != "" {
						if t, e := tEvalFn(param.Duration); e != nil || t != istio_policy_v1beta1.DURATION {
							if e != nil {
								return nil, fmt.Errorf("failed to evaluate expression for field '%s': %v", path+"Duration", e)
							}
							return nil, fmt.Errorf("error type checking for field '%s': Evaluated expression type %v want %v", path+"Duration", t, istio_policy_v1beta1.DURATION)
						}
					}

					if param.IpAddr != "" {
						if t, e := tEvalFn(param.IpAddr); e != nil || t != istio_policy_v1beta1.IP_ADDRESS {
							if e != nil {
								return nil, fmt.Errorf("failed to evaluate expression for field '%s': %v", path+"IpAddr", e)
							}
							return nil, fmt.Errorf("error type checking for field '%s': Evaluated expression type %v want %v", path+"IpAddr", t, istio_policy_v1beta1.IP_ADDRESS)
						}
					}

					if param.DnsName != "" {
						if t, e := tEvalFn(param.DnsName); e != nil || t != istio_policy_v1beta1.DNS_NAME {
							if e != nil {
								return nil, fmt.Errorf("failed to evaluate expression for field '%s': %v", path+"DnsName", e)
							}
							return nil, fmt.Errorf("error type checking for field '%s': Evaluated expression type %v want %v", path+"DnsName", t, istio_policy_v1beta1.DNS_NAME)
						}
					}

					if param.EmailAddr != "" {
						if t, e := tEvalFn(param.EmailAddr); e != nil || t != istio_policy_v1beta1.EMAIL_ADDRESS {
							if e != nil {
								return nil, fmt.Errorf("failed to evaluate expression for field '%s': %v", path+"EmailAddr", e)
							}
							return nil, fmt.Errorf("error type checking for field '%s': Evaluated expression type %v want %v", path+"EmailAddr", t, istio_policy_v1beta1.EMAIL_ADDRESS)
						}
					}

					if param.Uri != "" {
						if t, e := tEvalFn(param.Uri); e != nil || t != istio_policy_v1beta1.URI {
							if e != nil {
								return nil, fmt.Errorf("failed to evaluate expression for field '%s': %v", path+"Uri", e)
							}
							return nil, fmt.Errorf("error type checking for field '%s': Evaluated expression type %v want %v", path+"Uri", t, istio_policy_v1beta1.URI)
						}
					}

					return infrdType, err

				}

				instParam := cp.(*istio_mixer_adapter_sample_report.InstanceParam)

				return BuildTemplate(instParam, "")
			},

			SetType: func(types map[string]proto.Message, builder adapter.HandlerBuilder) {
				// Mixer framework should have ensured the type safety.
				castedBuilder := builder.(istio_mixer_adapter_sample_report.HandlerBuilder)
				castedTypes := make(map[string]*istio_mixer_adapter_sample_report.Type, len(types))
				for k, v := range types {
					// Mixer framework should have ensured the type safety.
					v1 := v.(*istio_mixer_adapter_sample_report.Type)
					castedTypes[k] = v1
				}
				castedBuilder.SetReportTypes(castedTypes)
			},

			// DispatchReport dispatches the instances to the handler.
			DispatchReport: func(ctx context.Context, handler adapter.Handler, inst []interface{}) error {

				// Convert the instances from the generic []interface{}, to their specialized type.
				instances := make([]*istio_mixer_adapter_sample_report.Instance, len(inst))
				for i, instance := range inst {
					instances[i] = instance.(*istio_mixer_adapter_sample_report.Instance)
				}

				// Invoke the handler.
				if err := handler.(istio_mixer_adapter_sample_report.Handler).HandleReport(ctx, instances); err != nil {
					return fmt.Errorf("failed to report all values: %v", err)
				}
				return nil
			},

			// CreateInstanceBuilder creates a new template.InstanceBuilderFN based on the supplied instance parameters. It uses
			// the expression builder to create a new instance of a builder struct for the instance type. Created
			// InstanceBuilderFn closes over this struct. When InstanceBuilderFn is called it, in turn, calls into
			// the builder with an attribute bag.
			//
			// See template.CreateInstanceBuilderFn for more details.
			CreateInstanceBuilder: func(instanceName string, param proto.Message, expb lang.Compiler) (template.InstanceBuilderFn, error) {

				// If the parameter is nil. Simply return nil. The builder, then, will also return nil.
				if param == nil {
					return func(attr attribute.Bag) (interface{}, error) {
						return nil, nil
					}, nil
				}

				// Instantiate a new builder for the instance.
				builder, errp := newBuilder_istio_mixer_adapter_sample_report_Template(expb, param.(*istio_mixer_adapter_sample_report.InstanceParam))
				if !errp.IsNil() {
					return nil, errp.AsCompilationError(instanceName)
				}

				return func(attr attribute.Bag) (interface{}, error) {
					// Use the instantiated builder (that this fn closes over) to construct an instance.
					e, errp := builder.build(attr)
					if !errp.IsNil() {
						err := errp.AsEvaluationError(instanceName)
						log.Error(err.Error())
						return nil, err
					}

					e.Name = instanceName
					return e, nil
				}, nil
			},
		},
	}
)

// Builders for all known message types.

// builder struct for constructing an instance of Template.
type builder_istio_mixer_adapter_sample_myapa_Template struct {

	// builder for field int64Primitive: int64.

	bldInt64Primitive compiled.Expression

	// builder for field boolPrimitive: bool.

	bldBoolPrimitive compiled.Expression

	// builder for field doublePrimitive: float64.

	bldDoublePrimitive compiled.Expression

	// builder for field stringPrimitive: string.

	bldStringPrimitive compiled.Expression

	// builder for field dimensionsFixedInt64ValueDType: map[string]int64.

	bldDimensionsFixedInt64ValueDType map[string]compiled.Expression

	// builder for field timeStamp: time.Time.

	bldTimeStamp compiled.Expression

	// builder for field duration: time.Duration.

	bldDuration compiled.Expression

	// builder for field res3_map: map[string]*Resource3.

	bldRes3Map map[string]*builder_istio_mixer_adapter_sample_myapa_Resource3

	// builder for field optionalIP: net.IP.

	bldOptionalIP compiled.Expression

	// builder for field email: adapter.EmailAddress.

	bldEmail compiled.Expression
} // builder_istio_mixer_adapter_sample_myapa_Template

// Instantiates and returns a new builder for Template, based on the provided instance parameter.
func newBuilder_istio_mixer_adapter_sample_myapa_Template(
	expb lang.Compiler,
	param *istio_mixer_adapter_sample_myapa.InstanceParam) (*builder_istio_mixer_adapter_sample_myapa_Template, template.ErrorPath) {

	// If the parameter is nil. Simply return nil. The builder, then, will also return nil.
	if param == nil {
		return nil, template.ErrorPath{}
	}

	b := &builder_istio_mixer_adapter_sample_myapa_Template{}

	var exp compiled.Expression
	_ = exp
	var err error
	_ = err
	var errp template.ErrorPath
	_ = errp
	var expType istio_policy_v1beta1.ValueType
	_ = expType

	if param.Int64Primitive == "" {
		b.bldInt64Primitive = nil
	} else {
		b.bldInt64Primitive, expType, err = expb.Compile(param.Int64Primitive)
		if err != nil {
			return nil, template.NewErrorPath("Int64Primitive", err)
		}

		if expType != istio_policy_v1beta1.INT64 {
			err = fmt.Errorf("instance field type mismatch: expected='%v', actual='%v', expression='%s'", istio_policy_v1beta1.INT64, expType, param.Int64Primitive)
			return nil, template.NewErrorPath("Int64Primitive", err)
		}

	}

	if param.BoolPrimitive == "" {
		b.bldBoolPrimitive = nil
	} else {
		b.bldBoolPrimitive, expType, err = expb.Compile(param.BoolPrimitive)
		if err != nil {
			return nil, template.NewErrorPath("BoolPrimitive", err)
		}

		if expType != istio_policy_v1beta1.BOOL {
			err = fmt.Errorf("instance field type mismatch: expected='%v', actual='%v', expression='%s'", istio_policy_v1beta1.BOOL, expType, param.BoolPrimitive)
			return nil, template.NewErrorPath("BoolPrimitive", err)
		}

	}

	if param.DoublePrimitive == "" {
		b.bldDoublePrimitive = nil
	} else {
		b.bldDoublePrimitive, expType, err = expb.Compile(param.DoublePrimitive)
		if err != nil {
			return nil, template.NewErrorPath("DoublePrimitive", err)
		}

		if expType != istio_policy_v1beta1.DOUBLE {
			err = fmt.Errorf("instance field type mismatch: expected='%v', actual='%v', expression='%s'", istio_policy_v1beta1.DOUBLE, expType, param.DoublePrimitive)
			return nil, template.NewErrorPath("DoublePrimitive", err)
		}

	}

	if param.StringPrimitive == "" {
		b.bldStringPrimitive = nil
	} else {
		b.bldStringPrimitive, expType, err = expb.Compile(param.StringPrimitive)
		if err != nil {
			return nil, template.NewErrorPath("StringPrimitive", err)
		}

		if expType != istio_policy_v1beta1.STRING {
			err = fmt.Errorf("instance field type mismatch: expected='%v', actual='%v', expression='%s'", istio_policy_v1beta1.STRING, expType, param.StringPrimitive)
			return nil, template.NewErrorPath("StringPrimitive", err)
		}

	}

	b.bldDimensionsFixedInt64ValueDType = make(map[string]compiled.Expression, len(param.DimensionsFixedInt64ValueDType))
	for k, v := range param.DimensionsFixedInt64ValueDType {
		var exp compiled.Expression
		if exp, expType, err = expb.Compile(v); err != nil {
			return nil, template.NewErrorPath("DimensionsFixedInt64ValueDType["+k+"]", err)
		}

		if expType != istio_policy_v1beta1.INT64 {
			err = fmt.Errorf("instance field type mismatch: expected='%v', actual='%v', expression='%s'", istio_policy_v1beta1.INT64, expType, v)
			return nil, template.NewErrorPath("DimensionsFixedInt64ValueDType["+k+"]", err)
		}

		b.bldDimensionsFixedInt64ValueDType[k] = exp
	}

	if param.TimeStamp == "" {
		b.bldTimeStamp = nil
	} else {
		b.bldTimeStamp, expType, err = expb.Compile(param.TimeStamp)
		if err != nil {
			return nil, template.NewErrorPath("TimeStamp", err)
		}

	}

	if param.Duration == "" {
		b.bldDuration = nil
	} else {
		b.bldDuration, expType, err = expb.Compile(param.Duration)
		if err != nil {
			return nil, template.NewErrorPath("Duration", err)
		}

	}

	b.bldRes3Map = make(map[string]*builder_istio_mixer_adapter_sample_myapa_Resource3, len(param.Res3Map))
	for k, v := range param.Res3Map {
		var vb *builder_istio_mixer_adapter_sample_myapa_Resource3
		if vb, errp = newBuilder_istio_mixer_adapter_sample_myapa_Resource3(expb, v); !errp.IsNil() {
			return nil, errp.WithPrefix("Res3Map[" + k + "]")
		}
		b.bldRes3Map[k] = vb
	}

	if param.OptionalIP == "" {
		b.bldOptionalIP = nil
	} else {
		b.bldOptionalIP, expType, err = expb.Compile(param.OptionalIP)
		if err != nil {
			return nil, template.NewErrorPath("OptionalIP", err)
		}

	}

	if param.Email == "" {
		b.bldEmail = nil
	} else {
		b.bldEmail, expType, err = expb.Compile(param.Email)
		if err != nil {
			return nil, template.NewErrorPath("Email", err)
		}

	}

	return b, template.ErrorPath{}
}

// build and return the instance, given a set of attributes.
func (b *builder_istio_mixer_adapter_sample_myapa_Template) build(
	attrs attribute.Bag) (*istio_mixer_adapter_sample_myapa.Instance, template.ErrorPath) {

	if b == nil {
		return nil, template.ErrorPath{}
	}

	var err error
	_ = err
	var errp template.ErrorPath
	_ = errp
	var vBool bool
	_ = vBool
	var vInt int64
	_ = vInt
	var vString string
	_ = vString
	var vDouble float64
	_ = vDouble
	var vIface interface{}
	_ = vIface

	r := &istio_mixer_adapter_sample_myapa.Instance{}

	if b.bldInt64Primitive != nil {

		vInt, err = b.bldInt64Primitive.EvaluateInteger(attrs)
		if err != nil {
			return nil, template.NewErrorPath("Int64Primitive", err)
		}
		r.Int64Primitive = vInt

	}

	if b.bldBoolPrimitive != nil {

		vBool, err = b.bldBoolPrimitive.EvaluateBoolean(attrs)
		if err != nil {
			return nil, template.NewErrorPath("BoolPrimitive", err)
		}
		r.BoolPrimitive = vBool

	}

	if b.bldDoublePrimitive != nil {

		vDouble, err = b.bldDoublePrimitive.EvaluateDouble(attrs)
		if err != nil {
			return nil, template.NewErrorPath("DoublePrimitive", err)
		}
		r.DoublePrimitive = vDouble

	}

	if b.bldStringPrimitive != nil {

		vString, err = b.bldStringPrimitive.EvaluateString(attrs)
		if err != nil {
			return nil, template.NewErrorPath("StringPrimitive", err)
		}
		r.StringPrimitive = vString

	}

	r.DimensionsFixedInt64ValueDType = make(map[string]int64, len(b.bldDimensionsFixedInt64ValueDType))

	for k, v := range b.bldDimensionsFixedInt64ValueDType {

		vInt, err = v.EvaluateInteger(attrs)
		if err != nil {
			return nil, template.NewErrorPath("DimensionsFixedInt64ValueDType["+k+"]", err)
		}
		r.DimensionsFixedInt64ValueDType[k] = vInt

	}

	if b.bldTimeStamp != nil {

		if vIface, err = b.bldTimeStamp.Evaluate(attrs); err != nil {
			return nil, template.NewErrorPath("TimeStamp", err)
		}

		r.TimeStamp = vIface.(time.Time)

	}

	if b.bldDuration != nil {

		if vIface, err = b.bldDuration.Evaluate(attrs); err != nil {
			return nil, template.NewErrorPath("Duration", err)
		}

		r.Duration = vIface.(time.Duration)

	}

	r.Res3Map = make(map[string]*istio_mixer_adapter_sample_myapa.Resource3, len(b.bldRes3Map))
	for k, v := range b.bldRes3Map {
		if r.Res3Map[k], errp = v.build(attrs); !errp.IsNil() {
			return nil, errp.WithPrefix("Res3Map[" + k + "]")
		}
	}

	if b.bldOptionalIP != nil {

		if vIface, err = b.bldOptionalIP.Evaluate(attrs); err != nil {
			return nil, template.NewErrorPath("OptionalIP", err)
		}

		r.OptionalIP = net.IP(vIface.([]byte))

	}

	if b.bldEmail != nil {

		if vIface, err = b.bldEmail.Evaluate(attrs); err != nil {
			return nil, template.NewErrorPath("Email", err)
		}

		r.Email = adapter.EmailAddress(vIface.(string))

	}

	return r, template.ErrorPath{}
}

// builder struct for constructing an instance of Resource1.
type builder_istio_mixer_adapter_sample_myapa_Resource1 struct {

	// builder for field str: string.

	bldStr compiled.Expression

	// builder for field self_ref_res1: *Resource1.

	bldSelfRefRes1 *builder_istio_mixer_adapter_sample_myapa_Resource1

	// builder for field resRef2: *Resource2.

	bldResRef2 *builder_istio_mixer_adapter_sample_myapa_Resource2
} // builder_istio_mixer_adapter_sample_myapa_Resource1

// Instantiates and returns a new builder for Resource1, based on the provided instance parameter.
func newBuilder_istio_mixer_adapter_sample_myapa_Resource1(
	expb lang.Compiler,
	param *istio_mixer_adapter_sample_myapa.Resource1InstanceParam) (*builder_istio_mixer_adapter_sample_myapa_Resource1, template.ErrorPath) {

	// If the parameter is nil. Simply return nil. The builder, then, will also return nil.
	if param == nil {
		return nil, template.ErrorPath{}
	}

	b := &builder_istio_mixer_adapter_sample_myapa_Resource1{}

	var exp compiled.Expression
	_ = exp
	var err error
	_ = err
	var errp template.ErrorPath
	_ = errp
	var expType istio_policy_v1beta1.ValueType
	_ = expType

	if param.Str == "" {
		b.bldStr = nil
	} else {
		b.bldStr, expType, err = expb.Compile(param.Str)
		if err != nil {
			return nil, template.NewErrorPath("Str", err)
		}

		if expType != istio_policy_v1beta1.STRING {
			err = fmt.Errorf("instance field type mismatch: expected='%v', actual='%v', expression='%s'", istio_policy_v1beta1.STRING, expType, param.Str)
			return nil, template.NewErrorPath("Str", err)
		}

	}

	if b.bldSelfRefRes1, errp = newBuilder_istio_mixer_adapter_sample_myapa_Resource1(expb, param.SelfRefRes1); !errp.IsNil() {
		return nil, errp.WithPrefix("SelfRefRes1")
	}

	if b.bldResRef2, errp = newBuilder_istio_mixer_adapter_sample_myapa_Resource2(expb, param.ResRef2); !errp.IsNil() {
		return nil, errp.WithPrefix("ResRef2")
	}

	return b, template.ErrorPath{}
}

// build and return the instance, given a set of attributes.
func (b *builder_istio_mixer_adapter_sample_myapa_Resource1) build(
	attrs attribute.Bag) (*istio_mixer_adapter_sample_myapa.Resource1, template.ErrorPath) {

	if b == nil {
		return nil, template.ErrorPath{}
	}

	var err error
	_ = err
	var errp template.ErrorPath
	_ = errp
	var vBool bool
	_ = vBool
	var vInt int64
	_ = vInt
	var vString string
	_ = vString
	var vDouble float64
	_ = vDouble
	var vIface interface{}
	_ = vIface

	r := &istio_mixer_adapter_sample_myapa.Resource1{}

	if b.bldStr != nil {

		vString, err = b.bldStr.EvaluateString(attrs)
		if err != nil {
			return nil, template.NewErrorPath("Str", err)
		}
		r.Str = vString

	}

	if b.bldSelfRefRes1 != nil {

		if r.SelfRefRes1, errp = b.bldSelfRefRes1.build(attrs); !errp.IsNil() {
			return nil, errp.WithPrefix("SelfRefRes1")
		}

	}

	if b.bldResRef2 != nil {

		if r.ResRef2, errp = b.bldResRef2.build(attrs); !errp.IsNil() {
			return nil, errp.WithPrefix("ResRef2")
		}

	}

	return r, template.ErrorPath{}
}

// builder struct for constructing an instance of Resource2.
type builder_istio_mixer_adapter_sample_myapa_Resource2 struct {

	// builder for field str: string.

	bldStr compiled.Expression

	// builder for field res3: *Resource3.

	bldRes3 *builder_istio_mixer_adapter_sample_myapa_Resource3

	// builder for field res3_map: map[string]*Resource3.

	bldRes3Map map[string]*builder_istio_mixer_adapter_sample_myapa_Resource3
} // builder_istio_mixer_adapter_sample_myapa_Resource2

// Instantiates and returns a new builder for Resource2, based on the provided instance parameter.
func newBuilder_istio_mixer_adapter_sample_myapa_Resource2(
	expb lang.Compiler,
	param *istio_mixer_adapter_sample_myapa.Resource2InstanceParam) (*builder_istio_mixer_adapter_sample_myapa_Resource2, template.ErrorPath) {

	// If the parameter is nil. Simply return nil. The builder, then, will also return nil.
	if param == nil {
		return nil, template.ErrorPath{}
	}

	b := &builder_istio_mixer_adapter_sample_myapa_Resource2{}

	var exp compiled.Expression
	_ = exp
	var err error
	_ = err
	var errp template.ErrorPath
	_ = errp
	var expType istio_policy_v1beta1.ValueType
	_ = expType

	if param.Str == "" {
		b.bldStr = nil
	} else {
		b.bldStr, expType, err = expb.Compile(param.Str)
		if err != nil {
			return nil, template.NewErrorPath("Str", err)
		}

		if expType != istio_policy_v1beta1.STRING {
			err = fmt.Errorf("instance field type mismatch: expected='%v', actual='%v', expression='%s'", istio_policy_v1beta1.STRING, expType, param.Str)
			return nil, template.NewErrorPath("Str", err)
		}

	}

	if b.bldRes3, errp = newBuilder_istio_mixer_adapter_sample_myapa_Resource3(expb, param.Res3); !errp.IsNil() {
		return nil, errp.WithPrefix("Res3")
	}

	b.bldRes3Map = make(map[string]*builder_istio_mixer_adapter_sample_myapa_Resource3, len(param.Res3Map))
	for k, v := range param.Res3Map {
		var vb *builder_istio_mixer_adapter_sample_myapa_Resource3
		if vb, errp = newBuilder_istio_mixer_adapter_sample_myapa_Resource3(expb, v); !errp.IsNil() {
			return nil, errp.WithPrefix("Res3Map[" + k + "]")
		}
		b.bldRes3Map[k] = vb
	}

	return b, template.ErrorPath{}
}

// build and return the instance, given a set of attributes.
func (b *builder_istio_mixer_adapter_sample_myapa_Resource2) build(
	attrs attribute.Bag) (*istio_mixer_adapter_sample_myapa.Resource2, template.ErrorPath) {

	if b == nil {
		return nil, template.ErrorPath{}
	}

	var err error
	_ = err
	var errp template.ErrorPath
	_ = errp
	var vBool bool
	_ = vBool
	var vInt int64
	_ = vInt
	var vString string
	_ = vString
	var vDouble float64
	_ = vDouble
	var vIface interface{}
	_ = vIface

	r := &istio_mixer_adapter_sample_myapa.Resource2{}

	if b.bldStr != nil {

		vString, err = b.bldStr.EvaluateString(attrs)
		if err != nil {
			return nil, template.NewErrorPath("Str", err)
		}
		r.Str = vString

	}

	if b.bldRes3 != nil {

		if r.Res3, errp = b.bldRes3.build(attrs); !errp.IsNil() {
			return nil, errp.WithPrefix("Res3")
		}

	}

	r.Res3Map = make(map[string]*istio_mixer_adapter_sample_myapa.Resource3, len(b.bldRes3Map))
	for k, v := range b.bldRes3Map {
		if r.Res3Map[k], errp = v.build(attrs); !errp.IsNil() {
			return nil, errp.WithPrefix("Res3Map[" + k + "]")
		}
	}

	return r, template.ErrorPath{}
}

// builder struct for constructing an instance of Resource3.
type builder_istio_mixer_adapter_sample_myapa_Resource3 struct {

	// builder for field int64Primitive: int64.

	bldInt64Primitive compiled.Expression

	// builder for field boolPrimitive: bool.

	bldBoolPrimitive compiled.Expression

	// builder for field doublePrimitive: float64.

	bldDoublePrimitive compiled.Expression

	// builder for field stringPrimitive: string.

	bldStringPrimitive compiled.Expression

	// builder for field dimensionsFixedInt64ValueDType: map[string]int64.

	bldDimensionsFixedInt64ValueDType map[string]compiled.Expression

	// builder for field timeStamp: time.Time.

	bldTimeStamp compiled.Expression

	// builder for field duration: time.Duration.

	bldDuration compiled.Expression
} // builder_istio_mixer_adapter_sample_myapa_Resource3

// Instantiates and returns a new builder for Resource3, based on the provided instance parameter.
func newBuilder_istio_mixer_adapter_sample_myapa_Resource3(
	expb lang.Compiler,
	param *istio_mixer_adapter_sample_myapa.Resource3InstanceParam) (*builder_istio_mixer_adapter_sample_myapa_Resource3, template.ErrorPath) {

	// If the parameter is nil. Simply return nil. The builder, then, will also return nil.
	if param == nil {
		return nil, template.ErrorPath{}
	}

	b := &builder_istio_mixer_adapter_sample_myapa_Resource3{}

	var exp compiled.Expression
	_ = exp
	var err error
	_ = err
	var errp template.ErrorPath
	_ = errp
	var expType istio_policy_v1beta1.ValueType
	_ = expType

	if param.Int64Primitive == "" {
		b.bldInt64Primitive = nil
	} else {
		b.bldInt64Primitive, expType, err = expb.Compile(param.Int64Primitive)
		if err != nil {
			return nil, template.NewErrorPath("Int64Primitive", err)
		}

		if expType != istio_policy_v1beta1.INT64 {
			err = fmt.Errorf("instance field type mismatch: expected='%v', actual='%v', expression='%s'", istio_policy_v1beta1.INT64, expType, param.Int64Primitive)
			return nil, template.NewErrorPath("Int64Primitive", err)
		}

	}

	if param.BoolPrimitive == "" {
		b.bldBoolPrimitive = nil
	} else {
		b.bldBoolPrimitive, expType, err = expb.Compile(param.BoolPrimitive)
		if err != nil {
			return nil, template.NewErrorPath("BoolPrimitive", err)
		}

		if expType != istio_policy_v1beta1.BOOL {
			err = fmt.Errorf("instance field type mismatch: expected='%v', actual='%v', expression='%s'", istio_policy_v1beta1.BOOL, expType, param.BoolPrimitive)
			return nil, template.NewErrorPath("BoolPrimitive", err)
		}

	}

	if param.DoublePrimitive == "" {
		b.bldDoublePrimitive = nil
	} else {
		b.bldDoublePrimitive, expType, err = expb.Compile(param.DoublePrimitive)
		if err != nil {
			return nil, template.NewErrorPath("DoublePrimitive", err)
		}

		if expType != istio_policy_v1beta1.DOUBLE {
			err = fmt.Errorf("instance field type mismatch: expected='%v', actual='%v', expression='%s'", istio_policy_v1beta1.DOUBLE, expType, param.DoublePrimitive)
			return nil, template.NewErrorPath("DoublePrimitive", err)
		}

	}

	if param.StringPrimitive == "" {
		b.bldStringPrimitive = nil
	} else {
		b.bldStringPrimitive, expType, err = expb.Compile(param.StringPrimitive)
		if err != nil {
			return nil, template.NewErrorPath("StringPrimitive", err)
		}

		if expType != istio_policy_v1beta1.STRING {
			err = fmt.Errorf("instance field type mismatch: expected='%v', actual='%v', expression='%s'", istio_policy_v1beta1.STRING, expType, param.StringPrimitive)
			return nil, template.NewErrorPath("StringPrimitive", err)
		}

	}

	b.bldDimensionsFixedInt64ValueDType = make(map[string]compiled.Expression, len(param.DimensionsFixedInt64ValueDType))
	for k, v := range param.DimensionsFixedInt64ValueDType {
		var exp compiled.Expression
		if exp, expType, err = expb.Compile(v); err != nil {
			return nil, template.NewErrorPath("DimensionsFixedInt64ValueDType["+k+"]", err)
		}

		if expType != istio_policy_v1beta1.INT64 {
			err = fmt.Errorf("instance field type mismatch: expected='%v', actual='%v', expression='%s'", istio_policy_v1beta1.INT64, expType, v)
			return nil, template.NewErrorPath("DimensionsFixedInt64ValueDType["+k+"]", err)
		}

		b.bldDimensionsFixedInt64ValueDType[k] = exp
	}

	if param.TimeStamp == "" {
		b.bldTimeStamp = nil
	} else {
		b.bldTimeStamp, expType, err = expb.Compile(param.TimeStamp)
		if err != nil {
			return nil, template.NewErrorPath("TimeStamp", err)
		}

	}

	if param.Duration == "" {
		b.bldDuration = nil
	} else {
		b.bldDuration, expType, err = expb.Compile(param.Duration)
		if err != nil {
			return nil, template.NewErrorPath("Duration", err)
		}

	}

	return b, template.ErrorPath{}
}

// build and return the instance, given a set of attributes.
func (b *builder_istio_mixer_adapter_sample_myapa_Resource3) build(
	attrs attribute.Bag) (*istio_mixer_adapter_sample_myapa.Resource3, template.ErrorPath) {

	if b == nil {
		return nil, template.ErrorPath{}
	}

	var err error
	_ = err
	var errp template.ErrorPath
	_ = errp
	var vBool bool
	_ = vBool
	var vInt int64
	_ = vInt
	var vString string
	_ = vString
	var vDouble float64
	_ = vDouble
	var vIface interface{}
	_ = vIface

	r := &istio_mixer_adapter_sample_myapa.Resource3{}

	if b.bldInt64Primitive != nil {

		vInt, err = b.bldInt64Primitive.EvaluateInteger(attrs)
		if err != nil {
			return nil, template.NewErrorPath("Int64Primitive", err)
		}
		r.Int64Primitive = vInt

	}

	if b.bldBoolPrimitive != nil {

		vBool, err = b.bldBoolPrimitive.EvaluateBoolean(attrs)
		if err != nil {
			return nil, template.NewErrorPath("BoolPrimitive", err)
		}
		r.BoolPrimitive = vBool

	}

	if b.bldDoublePrimitive != nil {

		vDouble, err = b.bldDoublePrimitive.EvaluateDouble(attrs)
		if err != nil {
			return nil, template.NewErrorPath("DoublePrimitive", err)
		}
		r.DoublePrimitive = vDouble

	}

	if b.bldStringPrimitive != nil {

		vString, err = b.bldStringPrimitive.EvaluateString(attrs)
		if err != nil {
			return nil, template.NewErrorPath("StringPrimitive", err)
		}
		r.StringPrimitive = vString

	}

	r.DimensionsFixedInt64ValueDType = make(map[string]int64, len(b.bldDimensionsFixedInt64ValueDType))

	for k, v := range b.bldDimensionsFixedInt64ValueDType {

		vInt, err = v.EvaluateInteger(attrs)
		if err != nil {
			return nil, template.NewErrorPath("DimensionsFixedInt64ValueDType["+k+"]", err)
		}
		r.DimensionsFixedInt64ValueDType[k] = vInt

	}

	if b.bldTimeStamp != nil {

		if vIface, err = b.bldTimeStamp.Evaluate(attrs); err != nil {
			return nil, template.NewErrorPath("TimeStamp", err)
		}

		r.TimeStamp = vIface.(time.Time)

	}

	if b.bldDuration != nil {

		if vIface, err = b.bldDuration.Evaluate(attrs); err != nil {
			return nil, template.NewErrorPath("Duration", err)
		}

		r.Duration = vIface.(time.Duration)

	}

	return r, template.ErrorPath{}
}

// builder struct for constructing an instance of Template.
type builder_istio_mixer_adapter_sample_check_Template struct {

	// builder for field check_expression: string.

	bldCheckExpression compiled.Expression

	// builder for field stringMap: map[string]string.

	bldStringMap map[string]compiled.Expression

	// builder for field res1: *Res1.

	bldRes1 *builder_istio_mixer_adapter_sample_check_Res1
} // builder_istio_mixer_adapter_sample_check_Template

// Instantiates and returns a new builder for Template, based on the provided instance parameter.
func newBuilder_istio_mixer_adapter_sample_check_Template(
	expb lang.Compiler,
	param *istio_mixer_adapter_sample_check.InstanceParam) (*builder_istio_mixer_adapter_sample_check_Template, template.ErrorPath) {

	// If the parameter is nil. Simply return nil. The builder, then, will also return nil.
	if param == nil {
		return nil, template.ErrorPath{}
	}

	b := &builder_istio_mixer_adapter_sample_check_Template{}

	var exp compiled.Expression
	_ = exp
	var err error
	_ = err
	var errp template.ErrorPath
	_ = errp
	var expType istio_policy_v1beta1.ValueType
	_ = expType

	if param.CheckExpression == "" {
		b.bldCheckExpression = nil
	} else {
		b.bldCheckExpression, expType, err = expb.Compile(param.CheckExpression)
		if err != nil {
			return nil, template.NewErrorPath("CheckExpression", err)
		}

		if expType != istio_policy_v1beta1.STRING {
			err = fmt.Errorf("instance field type mismatch: expected='%v', actual='%v', expression='%s'", istio_policy_v1beta1.STRING, expType, param.CheckExpression)
			return nil, template.NewErrorPath("CheckExpression", err)
		}

	}

	b.bldStringMap = make(map[string]compiled.Expression, len(param.StringMap))
	for k, v := range param.StringMap {
		var exp compiled.Expression
		if exp, expType, err = expb.Compile(v); err != nil {
			return nil, template.NewErrorPath("StringMap["+k+"]", err)
		}

		if expType != istio_policy_v1beta1.STRING {
			err = fmt.Errorf("instance field type mismatch: expected='%v', actual='%v', expression='%s'", istio_policy_v1beta1.STRING, expType, v)
			return nil, template.NewErrorPath("StringMap["+k+"]", err)
		}

		b.bldStringMap[k] = exp
	}

	if b.bldRes1, errp = newBuilder_istio_mixer_adapter_sample_check_Res1(expb, param.Res1); !errp.IsNil() {
		return nil, errp.WithPrefix("Res1")
	}

	return b, template.ErrorPath{}
}

// build and return the instance, given a set of attributes.
func (b *builder_istio_mixer_adapter_sample_check_Template) build(
	attrs attribute.Bag) (*istio_mixer_adapter_sample_check.Instance, template.ErrorPath) {

	if b == nil {
		return nil, template.ErrorPath{}
	}

	var err error
	_ = err
	var errp template.ErrorPath
	_ = errp
	var vBool bool
	_ = vBool
	var vInt int64
	_ = vInt
	var vString string
	_ = vString
	var vDouble float64
	_ = vDouble
	var vIface interface{}
	_ = vIface

	r := &istio_mixer_adapter_sample_check.Instance{}

	if b.bldCheckExpression != nil {

		vString, err = b.bldCheckExpression.EvaluateString(attrs)
		if err != nil {
			return nil, template.NewErrorPath("CheckExpression", err)
		}
		r.CheckExpression = vString

	}

	r.StringMap = make(map[string]string, len(b.bldStringMap))

	for k, v := range b.bldStringMap {

		vString, err = v.EvaluateString(attrs)
		if err != nil {
			return nil, template.NewErrorPath("StringMap["+k+"]", err)
		}
		r.StringMap[k] = vString

	}

	if b.bldRes1 != nil {

		if r.Res1, errp = b.bldRes1.build(attrs); !errp.IsNil() {
			return nil, errp.WithPrefix("Res1")
		}

	}

	return r, template.ErrorPath{}
}

// builder struct for constructing an instance of Res1.
type builder_istio_mixer_adapter_sample_check_Res1 struct {

	// builder for field value: interface{}.

	bldValue compiled.Expression

	// builder for field dimensions: map[string]interface{}.

	bldDimensions map[string]compiled.Expression

	// builder for field int64Primitive: int64.

	bldInt64Primitive compiled.Expression

	// builder for field boolPrimitive: bool.

	bldBoolPrimitive compiled.Expression

	// builder for field doublePrimitive: float64.

	bldDoublePrimitive compiled.Expression

	// builder for field stringPrimitive: string.

	bldStringPrimitive compiled.Expression

	// builder for field int64Map: map[string]int64.

	bldInt64Map map[string]compiled.Expression

	// builder for field timeStamp: time.Time.

	bldTimeStamp compiled.Expression

	// builder for field duration: time.Duration.

	bldDuration compiled.Expression

	// builder for field res2: *Res2.

	bldRes2 *builder_istio_mixer_adapter_sample_check_Res2

	// builder for field res2_map: map[string]*Res2.

	bldRes2Map map[string]*builder_istio_mixer_adapter_sample_check_Res2
} // builder_istio_mixer_adapter_sample_check_Res1

// Instantiates and returns a new builder for Res1, based on the provided instance parameter.
func newBuilder_istio_mixer_adapter_sample_check_Res1(
	expb lang.Compiler,
	param *istio_mixer_adapter_sample_check.Res1InstanceParam) (*builder_istio_mixer_adapter_sample_check_Res1, template.ErrorPath) {

	// If the parameter is nil. Simply return nil. The builder, then, will also return nil.
	if param == nil {
		return nil, template.ErrorPath{}
	}

	b := &builder_istio_mixer_adapter_sample_check_Res1{}

	var exp compiled.Expression
	_ = exp
	var err error
	_ = err
	var errp template.ErrorPath
	_ = errp
	var expType istio_policy_v1beta1.ValueType
	_ = expType

	if param.Value == "" {
		b.bldValue = nil
	} else {
		b.bldValue, expType, err = expb.Compile(param.Value)
		if err != nil {
			return nil, template.NewErrorPath("Value", err)
		}

	}

	b.bldDimensions = make(map[string]compiled.Expression, len(param.Dimensions))
	for k, v := range param.Dimensions {
		var exp compiled.Expression
		if exp, expType, err = expb.Compile(v); err != nil {
			return nil, template.NewErrorPath("Dimensions["+k+"]", err)
		}

		b.bldDimensions[k] = exp
	}

	if param.Int64Primitive == "" {
		b.bldInt64Primitive = nil
	} else {
		b.bldInt64Primitive, expType, err = expb.Compile(param.Int64Primitive)
		if err != nil {
			return nil, template.NewErrorPath("Int64Primitive", err)
		}

		if expType != istio_policy_v1beta1.INT64 {
			err = fmt.Errorf("instance field type mismatch: expected='%v', actual='%v', expression='%s'", istio_policy_v1beta1.INT64, expType, param.Int64Primitive)
			return nil, template.NewErrorPath("Int64Primitive", err)
		}

	}

	if param.BoolPrimitive == "" {
		b.bldBoolPrimitive = nil
	} else {
		b.bldBoolPrimitive, expType, err = expb.Compile(param.BoolPrimitive)
		if err != nil {
			return nil, template.NewErrorPath("BoolPrimitive", err)
		}

		if expType != istio_policy_v1beta1.BOOL {
			err = fmt.Errorf("instance field type mismatch: expected='%v', actual='%v', expression='%s'", istio_policy_v1beta1.BOOL, expType, param.BoolPrimitive)
			return nil, template.NewErrorPath("BoolPrimitive", err)
		}

	}

	if param.DoublePrimitive == "" {
		b.bldDoublePrimitive = nil
	} else {
		b.bldDoublePrimitive, expType, err = expb.Compile(param.DoublePrimitive)
		if err != nil {
			return nil, template.NewErrorPath("DoublePrimitive", err)
		}

		if expType != istio_policy_v1beta1.DOUBLE {
			err = fmt.Errorf("instance field type mismatch: expected='%v', actual='%v', expression='%s'", istio_policy_v1beta1.DOUBLE, expType, param.DoublePrimitive)
			return nil, template.NewErrorPath("DoublePrimitive", err)
		}

	}

	if param.StringPrimitive == "" {
		b.bldStringPrimitive = nil
	} else {
		b.bldStringPrimitive, expType, err = expb.Compile(param.StringPrimitive)
		if err != nil {
			return nil, template.NewErrorPath("StringPrimitive", err)
		}

		if expType != istio_policy_v1beta1.STRING {
			err = fmt.Errorf("instance field type mismatch: expected='%v', actual='%v', expression='%s'", istio_policy_v1beta1.STRING, expType, param.StringPrimitive)
			return nil, template.NewErrorPath("StringPrimitive", err)
		}

	}

	b.bldInt64Map = make(map[string]compiled.Expression, len(param.Int64Map))
	for k, v := range param.Int64Map {
		var exp compiled.Expression
		if exp, expType, err = expb.Compile(v); err != nil {
			return nil, template.NewErrorPath("Int64Map["+k+"]", err)
		}

		if expType != istio_policy_v1beta1.INT64 {
			err = fmt.Errorf("instance field type mismatch: expected='%v', actual='%v', expression='%s'", istio_policy_v1beta1.INT64, expType, v)
			return nil, template.NewErrorPath("Int64Map["+k+"]", err)
		}

		b.bldInt64Map[k] = exp
	}

	if param.TimeStamp == "" {
		b.bldTimeStamp = nil
	} else {
		b.bldTimeStamp, expType, err = expb.Compile(param.TimeStamp)
		if err != nil {
			return nil, template.NewErrorPath("TimeStamp", err)
		}

	}

	if param.Duration == "" {
		b.bldDuration = nil
	} else {
		b.bldDuration, expType, err = expb.Compile(param.Duration)
		if err != nil {
			return nil, template.NewErrorPath("Duration", err)
		}

	}

	if b.bldRes2, errp = newBuilder_istio_mixer_adapter_sample_check_Res2(expb, param.Res2); !errp.IsNil() {
		return nil, errp.WithPrefix("Res2")
	}

	b.bldRes2Map = make(map[string]*builder_istio_mixer_adapter_sample_check_Res2, len(param.Res2Map))
	for k, v := range param.Res2Map {
		var vb *builder_istio_mixer_adapter_sample_check_Res2
		if vb, errp = newBuilder_istio_mixer_adapter_sample_check_Res2(expb, v); !errp.IsNil() {
			return nil, errp.WithPrefix("Res2Map[" + k + "]")
		}
		b.bldRes2Map[k] = vb
	}

	return b, template.ErrorPath{}
}

// build and return the instance, given a set of attributes.
func (b *builder_istio_mixer_adapter_sample_check_Res1) build(
	attrs attribute.Bag) (*istio_mixer_adapter_sample_check.Res1, template.ErrorPath) {

	if b == nil {
		return nil, template.ErrorPath{}
	}

	var err error
	_ = err
	var errp template.ErrorPath
	_ = errp
	var vBool bool
	_ = vBool
	var vInt int64
	_ = vInt
	var vString string
	_ = vString
	var vDouble float64
	_ = vDouble
	var vIface interface{}
	_ = vIface

	r := &istio_mixer_adapter_sample_check.Res1{}

	if b.bldValue != nil {

		if vIface, err = b.bldValue.Evaluate(attrs); err != nil {
			return nil, template.NewErrorPath("Value", err)
		}

		r.Value = vIface

	}

	r.Dimensions = make(map[string]interface{}, len(b.bldDimensions))

	for k, v := range b.bldDimensions {

		if vIface, err = v.Evaluate(attrs); err != nil {
			return nil, template.NewErrorPath("Dimensions["+k+"]", err)
		}

		r.Dimensions[k] = vIface

	}

	if b.bldInt64Primitive != nil {

		vInt, err = b.bldInt64Primitive.EvaluateInteger(attrs)
		if err != nil {
			return nil, template.NewErrorPath("Int64Primitive", err)
		}
		r.Int64Primitive = vInt

	}

	if b.bldBoolPrimitive != nil {

		vBool, err = b.bldBoolPrimitive.EvaluateBoolean(attrs)
		if err != nil {
			return nil, template.NewErrorPath("BoolPrimitive", err)
		}
		r.BoolPrimitive = vBool

	}

	if b.bldDoublePrimitive != nil {

		vDouble, err = b.bldDoublePrimitive.EvaluateDouble(attrs)
		if err != nil {
			return nil, template.NewErrorPath("DoublePrimitive", err)
		}
		r.DoublePrimitive = vDouble

	}

	if b.bldStringPrimitive != nil {

		vString, err = b.bldStringPrimitive.EvaluateString(attrs)
		if err != nil {
			return nil, template.NewErrorPath("StringPrimitive", err)
		}
		r.StringPrimitive = vString

	}

	r.Int64Map = make(map[string]int64, len(b.bldInt64Map))

	for k, v := range b.bldInt64Map {

		vInt, err = v.EvaluateInteger(attrs)
		if err != nil {
			return nil, template.NewErrorPath("Int64Map["+k+"]", err)
		}
		r.Int64Map[k] = vInt

	}

	if b.bldTimeStamp != nil {

		if vIface, err = b.bldTimeStamp.Evaluate(attrs); err != nil {
			return nil, template.NewErrorPath("TimeStamp", err)
		}

		r.TimeStamp = vIface.(time.Time)

	}

	if b.bldDuration != nil {

		if vIface, err = b.bldDuration.Evaluate(attrs); err != nil {
			return nil, template.NewErrorPath("Duration", err)
		}

		r.Duration = vIface.(time.Duration)

	}

	if b.bldRes2 != nil {

		if r.Res2, errp = b.bldRes2.build(attrs); !errp.IsNil() {
			return nil, errp.WithPrefix("Res2")
		}

	}

	r.Res2Map = make(map[string]*istio_mixer_adapter_sample_check.Res2, len(b.bldRes2Map))
	for k, v := range b.bldRes2Map {
		if r.Res2Map[k], errp = v.build(attrs); !errp.IsNil() {
			return nil, errp.WithPrefix("Res2Map[" + k + "]")
		}
	}

	return r, template.ErrorPath{}
}

// builder struct for constructing an instance of Res2.
type builder_istio_mixer_adapter_sample_check_Res2 struct {

	// builder for field value: interface{}.

	bldValue compiled.Expression

	// builder for field dimensions: map[string]interface{}.

	bldDimensions map[string]compiled.Expression

	// builder for field int64Primitive: int64.

	bldInt64Primitive compiled.Expression
} // builder_istio_mixer_adapter_sample_check_Res2

// Instantiates and returns a new builder for Res2, based on the provided instance parameter.
func newBuilder_istio_mixer_adapter_sample_check_Res2(
	expb lang.Compiler,
	param *istio_mixer_adapter_sample_check.Res2InstanceParam) (*builder_istio_mixer_adapter_sample_check_Res2, template.ErrorPath) {

	// If the parameter is nil. Simply return nil. The builder, then, will also return nil.
	if param == nil {
		return nil, template.ErrorPath{}
	}

	b := &builder_istio_mixer_adapter_sample_check_Res2{}

	var exp compiled.Expression
	_ = exp
	var err error
	_ = err
	var errp template.ErrorPath
	_ = errp
	var expType istio_policy_v1beta1.ValueType
	_ = expType

	if param.Value == "" {
		b.bldValue = nil
	} else {
		b.bldValue, expType, err = expb.Compile(param.Value)
		if err != nil {
			return nil, template.NewErrorPath("Value", err)
		}

	}

	b.bldDimensions = make(map[string]compiled.Expression, len(param.Dimensions))
	for k, v := range param.Dimensions {
		var exp compiled.Expression
		if exp, expType, err = expb.Compile(v); err != nil {
			return nil, template.NewErrorPath("Dimensions["+k+"]", err)
		}

		b.bldDimensions[k] = exp
	}

	if param.Int64Primitive == "" {
		b.bldInt64Primitive = nil
	} else {
		b.bldInt64Primitive, expType, err = expb.Compile(param.Int64Primitive)
		if err != nil {
			return nil, template.NewErrorPath("Int64Primitive", err)
		}

		if expType != istio_policy_v1beta1.INT64 {
			err = fmt.Errorf("instance field type mismatch: expected='%v', actual='%v', expression='%s'", istio_policy_v1beta1.INT64, expType, param.Int64Primitive)
			return nil, template.NewErrorPath("Int64Primitive", err)
		}

	}

	return b, template.ErrorPath{}
}

// build and return the instance, given a set of attributes.
func (b *builder_istio_mixer_adapter_sample_check_Res2) build(
	attrs attribute.Bag) (*istio_mixer_adapter_sample_check.Res2, template.ErrorPath) {

	if b == nil {
		return nil, template.ErrorPath{}
	}

	var err error
	_ = err
	var errp template.ErrorPath
	_ = errp
	var vBool bool
	_ = vBool
	var vInt int64
	_ = vInt
	var vString string
	_ = vString
	var vDouble float64
	_ = vDouble
	var vIface interface{}
	_ = vIface

	r := &istio_mixer_adapter_sample_check.Res2{}

	if b.bldValue != nil {

		if vIface, err = b.bldValue.Evaluate(attrs); err != nil {
			return nil, template.NewErrorPath("Value", err)
		}

		r.Value = vIface

	}

	r.Dimensions = make(map[string]interface{}, len(b.bldDimensions))

	for k, v := range b.bldDimensions {

		if vIface, err = v.Evaluate(attrs); err != nil {
			return nil, template.NewErrorPath("Dimensions["+k+"]", err)
		}

		r.Dimensions[k] = vIface

	}

	if b.bldInt64Primitive != nil {

		vInt, err = b.bldInt64Primitive.EvaluateInteger(attrs)
		if err != nil {
			return nil, template.NewErrorPath("Int64Primitive", err)
		}
		r.Int64Primitive = vInt

	}

	return r, template.ErrorPath{}
}

// builder struct for constructing an instance of Template.
type builder_istio_mixer_adapter_sample_quota_Template struct {

	// builder for field dimensions: map[string]interface{}.

	bldDimensions map[string]compiled.Expression

	// builder for field boolMap: map[string]bool.

	bldBoolMap map[string]compiled.Expression

	// builder for field res1: *Res1.

	bldRes1 *builder_istio_mixer_adapter_sample_quota_Res1
} // builder_istio_mixer_adapter_sample_quota_Template

// Instantiates and returns a new builder for Template, based on the provided instance parameter.
func newBuilder_istio_mixer_adapter_sample_quota_Template(
	expb lang.Compiler,
	param *istio_mixer_adapter_sample_quota.InstanceParam) (*builder_istio_mixer_adapter_sample_quota_Template, template.ErrorPath) {

	// If the parameter is nil. Simply return nil. The builder, then, will also return nil.
	if param == nil {
		return nil, template.ErrorPath{}
	}

	b := &builder_istio_mixer_adapter_sample_quota_Template{}

	var exp compiled.Expression
	_ = exp
	var err error
	_ = err
	var errp template.ErrorPath
	_ = errp
	var expType istio_policy_v1beta1.ValueType
	_ = expType

	b.bldDimensions = make(map[string]compiled.Expression, len(param.Dimensions))
	for k, v := range param.Dimensions {
		var exp compiled.Expression
		if exp, expType, err = expb.Compile(v); err != nil {
			return nil, template.NewErrorPath("Dimensions["+k+"]", err)
		}

		b.bldDimensions[k] = exp
	}

	b.bldBoolMap = make(map[string]compiled.Expression, len(param.BoolMap))
	for k, v := range param.BoolMap {
		var exp compiled.Expression
		if exp, expType, err = expb.Compile(v); err != nil {
			return nil, template.NewErrorPath("BoolMap["+k+"]", err)
		}

		if expType != istio_policy_v1beta1.BOOL {
			err = fmt.Errorf("instance field type mismatch: expected='%v', actual='%v', expression='%s'", istio_policy_v1beta1.BOOL, expType, v)
			return nil, template.NewErrorPath("BoolMap["+k+"]", err)
		}

		b.bldBoolMap[k] = exp
	}

	if b.bldRes1, errp = newBuilder_istio_mixer_adapter_sample_quota_Res1(expb, param.Res1); !errp.IsNil() {
		return nil, errp.WithPrefix("Res1")
	}

	return b, template.ErrorPath{}
}

// build and return the instance, given a set of attributes.
func (b *builder_istio_mixer_adapter_sample_quota_Template) build(
	attrs attribute.Bag) (*istio_mixer_adapter_sample_quota.Instance, template.ErrorPath) {

	if b == nil {
		return nil, template.ErrorPath{}
	}

	var err error
	_ = err
	var errp template.ErrorPath
	_ = errp
	var vBool bool
	_ = vBool
	var vInt int64
	_ = vInt
	var vString string
	_ = vString
	var vDouble float64
	_ = vDouble
	var vIface interface{}
	_ = vIface

	r := &istio_mixer_adapter_sample_quota.Instance{}

	r.Dimensions = make(map[string]interface{}, len(b.bldDimensions))

	for k, v := range b.bldDimensions {

		if vIface, err = v.Evaluate(attrs); err != nil {
			return nil, template.NewErrorPath("Dimensions["+k+"]", err)
		}

		r.Dimensions[k] = vIface

	}

	r.BoolMap = make(map[string]bool, len(b.bldBoolMap))

	for k, v := range b.bldBoolMap {

		vBool, err = v.EvaluateBoolean(attrs)
		if err != nil {
			return nil, template.NewErrorPath("BoolMap["+k+"]", err)
		}
		r.BoolMap[k] = vBool

	}

	if b.bldRes1 != nil {

		if r.Res1, errp = b.bldRes1.build(attrs); !errp.IsNil() {
			return nil, errp.WithPrefix("Res1")
		}

	}

	return r, template.ErrorPath{}
}

// builder struct for constructing an instance of Res1.
type builder_istio_mixer_adapter_sample_quota_Res1 struct {

	// builder for field value: interface{}.

	bldValue compiled.Expression

	// builder for field dimensions: map[string]interface{}.

	bldDimensions map[string]compiled.Expression

	// builder for field int64Primitive: int64.

	bldInt64Primitive compiled.Expression

	// builder for field boolPrimitive: bool.

	bldBoolPrimitive compiled.Expression

	// builder for field doublePrimitive: float64.

	bldDoublePrimitive compiled.Expression

	// builder for field stringPrimitive: string.

	bldStringPrimitive compiled.Expression

	// builder for field int64Map: map[string]int64.

	bldInt64Map map[string]compiled.Expression

	// builder for field timeStamp: time.Time.

	bldTimeStamp compiled.Expression

	// builder for field duration: time.Duration.

	bldDuration compiled.Expression

	// builder for field res2: *Res2.

	bldRes2 *builder_istio_mixer_adapter_sample_quota_Res2

	// builder for field res2_map: map[string]*Res2.

	bldRes2Map map[string]*builder_istio_mixer_adapter_sample_quota_Res2
} // builder_istio_mixer_adapter_sample_quota_Res1

// Instantiates and returns a new builder for Res1, based on the provided instance parameter.
func newBuilder_istio_mixer_adapter_sample_quota_Res1(
	expb lang.Compiler,
	param *istio_mixer_adapter_sample_quota.Res1InstanceParam) (*builder_istio_mixer_adapter_sample_quota_Res1, template.ErrorPath) {

	// If the parameter is nil. Simply return nil. The builder, then, will also return nil.
	if param == nil {
		return nil, template.ErrorPath{}
	}

	b := &builder_istio_mixer_adapter_sample_quota_Res1{}

	var exp compiled.Expression
	_ = exp
	var err error
	_ = err
	var errp template.ErrorPath
	_ = errp
	var expType istio_policy_v1beta1.ValueType
	_ = expType

	if param.Value == "" {
		b.bldValue = nil
	} else {
		b.bldValue, expType, err = expb.Compile(param.Value)
		if err != nil {
			return nil, template.NewErrorPath("Value", err)
		}

	}

	b.bldDimensions = make(map[string]compiled.Expression, len(param.Dimensions))
	for k, v := range param.Dimensions {
		var exp compiled.Expression
		if exp, expType, err = expb.Compile(v); err != nil {
			return nil, template.NewErrorPath("Dimensions["+k+"]", err)
		}

		b.bldDimensions[k] = exp
	}

	if param.Int64Primitive == "" {
		b.bldInt64Primitive = nil
	} else {
		b.bldInt64Primitive, expType, err = expb.Compile(param.Int64Primitive)
		if err != nil {
			return nil, template.NewErrorPath("Int64Primitive", err)
		}

		if expType != istio_policy_v1beta1.INT64 {
			err = fmt.Errorf("instance field type mismatch: expected='%v', actual='%v', expression='%s'", istio_policy_v1beta1.INT64, expType, param.Int64Primitive)
			return nil, template.NewErrorPath("Int64Primitive", err)
		}

	}

	if param.BoolPrimitive == "" {
		b.bldBoolPrimitive = nil
	} else {
		b.bldBoolPrimitive, expType, err = expb.Compile(param.BoolPrimitive)
		if err != nil {
			return nil, template.NewErrorPath("BoolPrimitive", err)
		}

		if expType != istio_policy_v1beta1.BOOL {
			err = fmt.Errorf("instance field type mismatch: expected='%v', actual='%v', expression='%s'", istio_policy_v1beta1.BOOL, expType, param.BoolPrimitive)
			return nil, template.NewErrorPath("BoolPrimitive", err)
		}

	}

	if param.DoublePrimitive == "" {
		b.bldDoublePrimitive = nil
	} else {
		b.bldDoublePrimitive, expType, err = expb.Compile(param.DoublePrimitive)
		if err != nil {
			return nil, template.NewErrorPath("DoublePrimitive", err)
		}

		if expType != istio_policy_v1beta1.DOUBLE {
			err = fmt.Errorf("instance field type mismatch: expected='%v', actual='%v', expression='%s'", istio_policy_v1beta1.DOUBLE, expType, param.DoublePrimitive)
			return nil, template.NewErrorPath("DoublePrimitive", err)
		}

	}

	if param.StringPrimitive == "" {
		b.bldStringPrimitive = nil
	} else {
		b.bldStringPrimitive, expType, err = expb.Compile(param.StringPrimitive)
		if err != nil {
			return nil, template.NewErrorPath("StringPrimitive", err)
		}

		if expType != istio_policy_v1beta1.STRING {
			err = fmt.Errorf("instance field type mismatch: expected='%v', actual='%v', expression='%s'", istio_policy_v1beta1.STRING, expType, param.StringPrimitive)
			return nil, template.NewErrorPath("StringPrimitive", err)
		}

	}

	b.bldInt64Map = make(map[string]compiled.Expression, len(param.Int64Map))
	for k, v := range param.Int64Map {
		var exp compiled.Expression
		if exp, expType, err = expb.Compile(v); err != nil {
			return nil, template.NewErrorPath("Int64Map["+k+"]", err)
		}

		if expType != istio_policy_v1beta1.INT64 {
			err = fmt.Errorf("instance field type mismatch: expected='%v', actual='%v', expression='%s'", istio_policy_v1beta1.INT64, expType, v)
			return nil, template.NewErrorPath("Int64Map["+k+"]", err)
		}

		b.bldInt64Map[k] = exp
	}

	if param.TimeStamp == "" {
		b.bldTimeStamp = nil
	} else {
		b.bldTimeStamp, expType, err = expb.Compile(param.TimeStamp)
		if err != nil {
			return nil, template.NewErrorPath("TimeStamp", err)
		}

	}

	if param.Duration == "" {
		b.bldDuration = nil
	} else {
		b.bldDuration, expType, err = expb.Compile(param.Duration)
		if err != nil {
			return nil, template.NewErrorPath("Duration", err)
		}

	}

	if b.bldRes2, errp = newBuilder_istio_mixer_adapter_sample_quota_Res2(expb, param.Res2); !errp.IsNil() {
		return nil, errp.WithPrefix("Res2")
	}

	b.bldRes2Map = make(map[string]*builder_istio_mixer_adapter_sample_quota_Res2, len(param.Res2Map))
	for k, v := range param.Res2Map {
		var vb *builder_istio_mixer_adapter_sample_quota_Res2
		if vb, errp = newBuilder_istio_mixer_adapter_sample_quota_Res2(expb, v); !errp.IsNil() {
			return nil, errp.WithPrefix("Res2Map[" + k + "]")
		}
		b.bldRes2Map[k] = vb
	}

	return b, template.ErrorPath{}
}

// build and return the instance, given a set of attributes.
func (b *builder_istio_mixer_adapter_sample_quota_Res1) build(
	attrs attribute.Bag) (*istio_mixer_adapter_sample_quota.Res1, template.ErrorPath) {

	if b == nil {
		return nil, template.ErrorPath{}
	}

	var err error
	_ = err
	var errp template.ErrorPath
	_ = errp
	var vBool bool
	_ = vBool
	var vInt int64
	_ = vInt
	var vString string
	_ = vString
	var vDouble float64
	_ = vDouble
	var vIface interface{}
	_ = vIface

	r := &istio_mixer_adapter_sample_quota.Res1{}

	if b.bldValue != nil {

		if vIface, err = b.bldValue.Evaluate(attrs); err != nil {
			return nil, template.NewErrorPath("Value", err)
		}

		r.Value = vIface

	}

	r.Dimensions = make(map[string]interface{}, len(b.bldDimensions))

	for k, v := range b.bldDimensions {

		if vIface, err = v.Evaluate(attrs); err != nil {
			return nil, template.NewErrorPath("Dimensions["+k+"]", err)
		}

		r.Dimensions[k] = vIface

	}

	if b.bldInt64Primitive != nil {

		vInt, err = b.bldInt64Primitive.EvaluateInteger(attrs)
		if err != nil {
			return nil, template.NewErrorPath("Int64Primitive", err)
		}
		r.Int64Primitive = vInt

	}

	if b.bldBoolPrimitive != nil {

		vBool, err = b.bldBoolPrimitive.EvaluateBoolean(attrs)
		if err != nil {
			return nil, template.NewErrorPath("BoolPrimitive", err)
		}
		r.BoolPrimitive = vBool

	}

	if b.bldDoublePrimitive != nil {

		vDouble, err = b.bldDoublePrimitive.EvaluateDouble(attrs)
		if err != nil {
			return nil, template.NewErrorPath("DoublePrimitive", err)
		}
		r.DoublePrimitive = vDouble

	}

	if b.bldStringPrimitive != nil {

		vString, err = b.bldStringPrimitive.EvaluateString(attrs)
		if err != nil {
			return nil, template.NewErrorPath("StringPrimitive", err)
		}
		r.StringPrimitive = vString

	}

	r.Int64Map = make(map[string]int64, len(b.bldInt64Map))

	for k, v := range b.bldInt64Map {

		vInt, err = v.EvaluateInteger(attrs)
		if err != nil {
			return nil, template.NewErrorPath("Int64Map["+k+"]", err)
		}
		r.Int64Map[k] = vInt

	}

	if b.bldTimeStamp != nil {

		if vIface, err = b.bldTimeStamp.Evaluate(attrs); err != nil {
			return nil, template.NewErrorPath("TimeStamp", err)
		}

		r.TimeStamp = vIface.(time.Time)

	}

	if b.bldDuration != nil {

		if vIface, err = b.bldDuration.Evaluate(attrs); err != nil {
			return nil, template.NewErrorPath("Duration", err)
		}

		r.Duration = vIface.(time.Duration)

	}

	if b.bldRes2 != nil {

		if r.Res2, errp = b.bldRes2.build(attrs); !errp.IsNil() {
			return nil, errp.WithPrefix("Res2")
		}

	}

	r.Res2Map = make(map[string]*istio_mixer_adapter_sample_quota.Res2, len(b.bldRes2Map))
	for k, v := range b.bldRes2Map {
		if r.Res2Map[k], errp = v.build(attrs); !errp.IsNil() {
			return nil, errp.WithPrefix("Res2Map[" + k + "]")
		}
	}

	return r, template.ErrorPath{}
}

// builder struct for constructing an instance of Res2.
type builder_istio_mixer_adapter_sample_quota_Res2 struct {

	// builder for field value: interface{}.

	bldValue compiled.Expression

	// builder for field dimensions: map[string]interface{}.

	bldDimensions map[string]compiled.Expression

	// builder for field int64Primitive: int64.

	bldInt64Primitive compiled.Expression
} // builder_istio_mixer_adapter_sample_quota_Res2

// Instantiates and returns a new builder for Res2, based on the provided instance parameter.
func newBuilder_istio_mixer_adapter_sample_quota_Res2(
	expb lang.Compiler,
	param *istio_mixer_adapter_sample_quota.Res2InstanceParam) (*builder_istio_mixer_adapter_sample_quota_Res2, template.ErrorPath) {

	// If the parameter is nil. Simply return nil. The builder, then, will also return nil.
	if param == nil {
		return nil, template.ErrorPath{}
	}

	b := &builder_istio_mixer_adapter_sample_quota_Res2{}

	var exp compiled.Expression
	_ = exp
	var err error
	_ = err
	var errp template.ErrorPath
	_ = errp
	var expType istio_policy_v1beta1.ValueType
	_ = expType

	if param.Value == "" {
		b.bldValue = nil
	} else {
		b.bldValue, expType, err = expb.Compile(param.Value)
		if err != nil {
			return nil, template.NewErrorPath("Value", err)
		}

	}

	b.bldDimensions = make(map[string]compiled.Expression, len(param.Dimensions))
	for k, v := range param.Dimensions {
		var exp compiled.Expression
		if exp, expType, err = expb.Compile(v); err != nil {
			return nil, template.NewErrorPath("Dimensions["+k+"]", err)
		}

		b.bldDimensions[k] = exp
	}

	if param.Int64Primitive == "" {
		b.bldInt64Primitive = nil
	} else {
		b.bldInt64Primitive, expType, err = expb.Compile(param.Int64Primitive)
		if err != nil {
			return nil, template.NewErrorPath("Int64Primitive", err)
		}

		if expType != istio_policy_v1beta1.INT64 {
			err = fmt.Errorf("instance field type mismatch: expected='%v', actual='%v', expression='%s'", istio_policy_v1beta1.INT64, expType, param.Int64Primitive)
			return nil, template.NewErrorPath("Int64Primitive", err)
		}

	}

	return b, template.ErrorPath{}
}

// build and return the instance, given a set of attributes.
func (b *builder_istio_mixer_adapter_sample_quota_Res2) build(
	attrs attribute.Bag) (*istio_mixer_adapter_sample_quota.Res2, template.ErrorPath) {

	if b == nil {
		return nil, template.ErrorPath{}
	}

	var err error
	_ = err
	var errp template.ErrorPath
	_ = errp
	var vBool bool
	_ = vBool
	var vInt int64
	_ = vInt
	var vString string
	_ = vString
	var vDouble float64
	_ = vDouble
	var vIface interface{}
	_ = vIface

	r := &istio_mixer_adapter_sample_quota.Res2{}

	if b.bldValue != nil {

		if vIface, err = b.bldValue.Evaluate(attrs); err != nil {
			return nil, template.NewErrorPath("Value", err)
		}

		r.Value = vIface

	}

	r.Dimensions = make(map[string]interface{}, len(b.bldDimensions))

	for k, v := range b.bldDimensions {

		if vIface, err = v.Evaluate(attrs); err != nil {
			return nil, template.NewErrorPath("Dimensions["+k+"]", err)
		}

		r.Dimensions[k] = vIface

	}

	if b.bldInt64Primitive != nil {

		vInt, err = b.bldInt64Primitive.EvaluateInteger(attrs)
		if err != nil {
			return nil, template.NewErrorPath("Int64Primitive", err)
		}
		r.Int64Primitive = vInt

	}

	return r, template.ErrorPath{}
}

// builder struct for constructing an instance of Template.
type builder_istio_mixer_adapter_sample_report_Template struct {

	// builder for field value: interface{}.

	bldValue compiled.Expression

	// builder for field dimensions: map[string]interface{}.

	bldDimensions map[string]compiled.Expression

	// builder for field int64Primitive: int64.

	bldInt64Primitive compiled.Expression

	// builder for field boolPrimitive: bool.

	bldBoolPrimitive compiled.Expression

	// builder for field doublePrimitive: float64.

	bldDoublePrimitive compiled.Expression

	// builder for field stringPrimitive: string.

	bldStringPrimitive compiled.Expression

	// builder for field int64Map: map[string]int64.

	bldInt64Map map[string]compiled.Expression

	// builder for field timeStamp: time.Time.

	bldTimeStamp compiled.Expression

	// builder for field duration: time.Duration.

	bldDuration compiled.Expression

	// builder for field res1: *Res1.

	bldRes1 *builder_istio_mixer_adapter_sample_report_Res1
} // builder_istio_mixer_adapter_sample_report_Template

// Instantiates and returns a new builder for Template, based on the provided instance parameter.
func newBuilder_istio_mixer_adapter_sample_report_Template(
	expb lang.Compiler,
	param *istio_mixer_adapter_sample_report.InstanceParam) (*builder_istio_mixer_adapter_sample_report_Template, template.ErrorPath) {

	// If the parameter is nil. Simply return nil. The builder, then, will also return nil.
	if param == nil {
		return nil, template.ErrorPath{}
	}

	b := &builder_istio_mixer_adapter_sample_report_Template{}

	var exp compiled.Expression
	_ = exp
	var err error
	_ = err
	var errp template.ErrorPath
	_ = errp
	var expType istio_policy_v1beta1.ValueType
	_ = expType

	if param.Value == "" {
		b.bldValue = nil
	} else {
		b.bldValue, expType, err = expb.Compile(param.Value)
		if err != nil {
			return nil, template.NewErrorPath("Value", err)
		}

	}

	b.bldDimensions = make(map[string]compiled.Expression, len(param.Dimensions))
	for k, v := range param.Dimensions {
		var exp compiled.Expression
		if exp, expType, err = expb.Compile(v); err != nil {
			return nil, template.NewErrorPath("Dimensions["+k+"]", err)
		}

		b.bldDimensions[k] = exp
	}

	if param.Int64Primitive == "" {
		b.bldInt64Primitive = nil
	} else {
		b.bldInt64Primitive, expType, err = expb.Compile(param.Int64Primitive)
		if err != nil {
			return nil, template.NewErrorPath("Int64Primitive", err)
		}

		if expType != istio_policy_v1beta1.INT64 {
			err = fmt.Errorf("instance field type mismatch: expected='%v', actual='%v', expression='%s'", istio_policy_v1beta1.INT64, expType, param.Int64Primitive)
			return nil, template.NewErrorPath("Int64Primitive", err)
		}

	}

	if param.BoolPrimitive == "" {
		b.bldBoolPrimitive = nil
	} else {
		b.bldBoolPrimitive, expType, err = expb.Compile(param.BoolPrimitive)
		if err != nil {
			return nil, template.NewErrorPath("BoolPrimitive", err)
		}

		if expType != istio_policy_v1beta1.BOOL {
			err = fmt.Errorf("instance field type mismatch: expected='%v', actual='%v', expression='%s'", istio_policy_v1beta1.BOOL, expType, param.BoolPrimitive)
			return nil, template.NewErrorPath("BoolPrimitive", err)
		}

	}

	if param.DoublePrimitive == "" {
		b.bldDoublePrimitive = nil
	} else {
		b.bldDoublePrimitive, expType, err = expb.Compile(param.DoublePrimitive)
		if err != nil {
			return nil, template.NewErrorPath("DoublePrimitive", err)
		}

		if expType != istio_policy_v1beta1.DOUBLE {
			err = fmt.Errorf("instance field type mismatch: expected='%v', actual='%v', expression='%s'", istio_policy_v1beta1.DOUBLE, expType, param.DoublePrimitive)
			return nil, template.NewErrorPath("DoublePrimitive", err)
		}

	}

	if param.StringPrimitive == "" {
		b.bldStringPrimitive = nil
	} else {
		b.bldStringPrimitive, expType, err = expb.Compile(param.StringPrimitive)
		if err != nil {
			return nil, template.NewErrorPath("StringPrimitive", err)
		}

		if expType != istio_policy_v1beta1.STRING {
			err = fmt.Errorf("instance field type mismatch: expected='%v', actual='%v', expression='%s'", istio_policy_v1beta1.STRING, expType, param.StringPrimitive)
			return nil, template.NewErrorPath("StringPrimitive", err)
		}

	}

	b.bldInt64Map = make(map[string]compiled.Expression, len(param.Int64Map))
	for k, v := range param.Int64Map {
		var exp compiled.Expression
		if exp, expType, err = expb.Compile(v); err != nil {
			return nil, template.NewErrorPath("Int64Map["+k+"]", err)
		}

		if expType != istio_policy_v1beta1.INT64 {
			err = fmt.Errorf("instance field type mismatch: expected='%v', actual='%v', expression='%s'", istio_policy_v1beta1.INT64, expType, v)
			return nil, template.NewErrorPath("Int64Map["+k+"]", err)
		}

		b.bldInt64Map[k] = exp
	}

	if param.TimeStamp == "" {
		b.bldTimeStamp = nil
	} else {
		b.bldTimeStamp, expType, err = expb.Compile(param.TimeStamp)
		if err != nil {
			return nil, template.NewErrorPath("TimeStamp", err)
		}

	}

	if param.Duration == "" {
		b.bldDuration = nil
	} else {
		b.bldDuration, expType, err = expb.Compile(param.Duration)
		if err != nil {
			return nil, template.NewErrorPath("Duration", err)
		}

	}

	if b.bldRes1, errp = newBuilder_istio_mixer_adapter_sample_report_Res1(expb, param.Res1); !errp.IsNil() {
		return nil, errp.WithPrefix("Res1")
	}

	return b, template.ErrorPath{}
}

// build and return the instance, given a set of attributes.
func (b *builder_istio_mixer_adapter_sample_report_Template) build(
	attrs attribute.Bag) (*istio_mixer_adapter_sample_report.Instance, template.ErrorPath) {

	if b == nil {
		return nil, template.ErrorPath{}
	}

	var err error
	_ = err
	var errp template.ErrorPath
	_ = errp
	var vBool bool
	_ = vBool
	var vInt int64
	_ = vInt
	var vString string
	_ = vString
	var vDouble float64
	_ = vDouble
	var vIface interface{}
	_ = vIface

	r := &istio_mixer_adapter_sample_report.Instance{}

	if b.bldValue != nil {

		if vIface, err = b.bldValue.Evaluate(attrs); err != nil {
			return nil, template.NewErrorPath("Value", err)
		}

		r.Value = vIface

	}

	r.Dimensions = make(map[string]interface{}, len(b.bldDimensions))

	for k, v := range b.bldDimensions {

		if vIface, err = v.Evaluate(attrs); err != nil {
			return nil, template.NewErrorPath("Dimensions["+k+"]", err)
		}

		r.Dimensions[k] = vIface

	}

	if b.bldInt64Primitive != nil {

		vInt, err = b.bldInt64Primitive.EvaluateInteger(attrs)
		if err != nil {
			return nil, template.NewErrorPath("Int64Primitive", err)
		}
		r.Int64Primitive = vInt

	}

	if b.bldBoolPrimitive != nil {

		vBool, err = b.bldBoolPrimitive.EvaluateBoolean(attrs)
		if err != nil {
			return nil, template.NewErrorPath("BoolPrimitive", err)
		}
		r.BoolPrimitive = vBool

	}

	if b.bldDoublePrimitive != nil {

		vDouble, err = b.bldDoublePrimitive.EvaluateDouble(attrs)
		if err != nil {
			return nil, template.NewErrorPath("DoublePrimitive", err)
		}
		r.DoublePrimitive = vDouble

	}

	if b.bldStringPrimitive != nil {

		vString, err = b.bldStringPrimitive.EvaluateString(attrs)
		if err != nil {
			return nil, template.NewErrorPath("StringPrimitive", err)
		}
		r.StringPrimitive = vString

	}

	r.Int64Map = make(map[string]int64, len(b.bldInt64Map))

	for k, v := range b.bldInt64Map {

		vInt, err = v.EvaluateInteger(attrs)
		if err != nil {
			return nil, template.NewErrorPath("Int64Map["+k+"]", err)
		}
		r.Int64Map[k] = vInt

	}

	if b.bldTimeStamp != nil {

		if vIface, err = b.bldTimeStamp.Evaluate(attrs); err != nil {
			return nil, template.NewErrorPath("TimeStamp", err)
		}

		r.TimeStamp = vIface.(time.Time)

	}

	if b.bldDuration != nil {

		if vIface, err = b.bldDuration.Evaluate(attrs); err != nil {
			return nil, template.NewErrorPath("Duration", err)
		}

		r.Duration = vIface.(time.Duration)

	}

	if b.bldRes1 != nil {

		if r.Res1, errp = b.bldRes1.build(attrs); !errp.IsNil() {
			return nil, errp.WithPrefix("Res1")
		}

	}

	return r, template.ErrorPath{}
}

// builder struct for constructing an instance of Res1.
type builder_istio_mixer_adapter_sample_report_Res1 struct {

	// builder for field value: interface{}.

	bldValue compiled.Expression

	// builder for field dimensions: map[string]interface{}.

	bldDimensions map[string]compiled.Expression

	// builder for field int64Primitive: int64.

	bldInt64Primitive compiled.Expression

	// builder for field boolPrimitive: bool.

	bldBoolPrimitive compiled.Expression

	// builder for field doublePrimitive: float64.

	bldDoublePrimitive compiled.Expression

	// builder for field stringPrimitive: string.

	bldStringPrimitive compiled.Expression

	// builder for field int64Map: map[string]int64.

	bldInt64Map map[string]compiled.Expression

	// builder for field timeStamp: time.Time.

	bldTimeStamp compiled.Expression

	// builder for field duration: time.Duration.

	bldDuration compiled.Expression

	// builder for field res2: *Res2.

	bldRes2 *builder_istio_mixer_adapter_sample_report_Res2

	// builder for field res2_map: map[string]*Res2.

	bldRes2Map map[string]*builder_istio_mixer_adapter_sample_report_Res2
} // builder_istio_mixer_adapter_sample_report_Res1

// Instantiates and returns a new builder for Res1, based on the provided instance parameter.
func newBuilder_istio_mixer_adapter_sample_report_Res1(
	expb lang.Compiler,
	param *istio_mixer_adapter_sample_report.Res1InstanceParam) (*builder_istio_mixer_adapter_sample_report_Res1, template.ErrorPath) {

	// If the parameter is nil. Simply return nil. The builder, then, will also return nil.
	if param == nil {
		return nil, template.ErrorPath{}
	}

	b := &builder_istio_mixer_adapter_sample_report_Res1{}

	var exp compiled.Expression
	_ = exp
	var err error
	_ = err
	var errp template.ErrorPath
	_ = errp
	var expType istio_policy_v1beta1.ValueType
	_ = expType

	if param.Value == "" {
		b.bldValue = nil
	} else {
		b.bldValue, expType, err = expb.Compile(param.Value)
		if err != nil {
			return nil, template.NewErrorPath("Value", err)
		}

	}

	b.bldDimensions = make(map[string]compiled.Expression, len(param.Dimensions))
	for k, v := range param.Dimensions {
		var exp compiled.Expression
		if exp, expType, err = expb.Compile(v); err != nil {
			return nil, template.NewErrorPath("Dimensions["+k+"]", err)
		}

		b.bldDimensions[k] = exp
	}

	if param.Int64Primitive == "" {
		b.bldInt64Primitive = nil
	} else {
		b.bldInt64Primitive, expType, err = expb.Compile(param.Int64Primitive)
		if err != nil {
			return nil, template.NewErrorPath("Int64Primitive", err)
		}

		if expType != istio_policy_v1beta1.INT64 {
			err = fmt.Errorf("instance field type mismatch: expected='%v', actual='%v', expression='%s'", istio_policy_v1beta1.INT64, expType, param.Int64Primitive)
			return nil, template.NewErrorPath("Int64Primitive", err)
		}

	}

	if param.BoolPrimitive == "" {
		b.bldBoolPrimitive = nil
	} else {
		b.bldBoolPrimitive, expType, err = expb.Compile(param.BoolPrimitive)
		if err != nil {
			return nil, template.NewErrorPath("BoolPrimitive", err)
		}

		if expType != istio_policy_v1beta1.BOOL {
			err = fmt.Errorf("instance field type mismatch: expected='%v', actual='%v', expression='%s'", istio_policy_v1beta1.BOOL, expType, param.BoolPrimitive)
			return nil, template.NewErrorPath("BoolPrimitive", err)
		}

	}

	if param.DoublePrimitive == "" {
		b.bldDoublePrimitive = nil
	} else {
		b.bldDoublePrimitive, expType, err = expb.Compile(param.DoublePrimitive)
		if err != nil {
			return nil, template.NewErrorPath("DoublePrimitive", err)
		}

		if expType != istio_policy_v1beta1.DOUBLE {
			err = fmt.Errorf("instance field type mismatch: expected='%v', actual='%v', expression='%s'", istio_policy_v1beta1.DOUBLE, expType, param.DoublePrimitive)
			return nil, template.NewErrorPath("DoublePrimitive", err)
		}

	}

	if param.StringPrimitive == "" {
		b.bldStringPrimitive = nil
	} else {
		b.bldStringPrimitive, expType, err = expb.Compile(param.StringPrimitive)
		if err != nil {
			return nil, template.NewErrorPath("StringPrimitive", err)
		}

		if expType != istio_policy_v1beta1.STRING {
			err = fmt.Errorf("instance field type mismatch: expected='%v', actual='%v', expression='%s'", istio_policy_v1beta1.STRING, expType, param.StringPrimitive)
			return nil, template.NewErrorPath("StringPrimitive", err)
		}

	}

	b.bldInt64Map = make(map[string]compiled.Expression, len(param.Int64Map))
	for k, v := range param.Int64Map {
		var exp compiled.Expression
		if exp, expType, err = expb.Compile(v); err != nil {
			return nil, template.NewErrorPath("Int64Map["+k+"]", err)
		}

		if expType != istio_policy_v1beta1.INT64 {
			err = fmt.Errorf("instance field type mismatch: expected='%v', actual='%v', expression='%s'", istio_policy_v1beta1.INT64, expType, v)
			return nil, template.NewErrorPath("Int64Map["+k+"]", err)
		}

		b.bldInt64Map[k] = exp
	}

	if param.TimeStamp == "" {
		b.bldTimeStamp = nil
	} else {
		b.bldTimeStamp, expType, err = expb.Compile(param.TimeStamp)
		if err != nil {
			return nil, template.NewErrorPath("TimeStamp", err)
		}

	}

	if param.Duration == "" {
		b.bldDuration = nil
	} else {
		b.bldDuration, expType, err = expb.Compile(param.Duration)
		if err != nil {
			return nil, template.NewErrorPath("Duration", err)
		}

	}

	if b.bldRes2, errp = newBuilder_istio_mixer_adapter_sample_report_Res2(expb, param.Res2); !errp.IsNil() {
		return nil, errp.WithPrefix("Res2")
	}

	b.bldRes2Map = make(map[string]*builder_istio_mixer_adapter_sample_report_Res2, len(param.Res2Map))
	for k, v := range param.Res2Map {
		var vb *builder_istio_mixer_adapter_sample_report_Res2
		if vb, errp = newBuilder_istio_mixer_adapter_sample_report_Res2(expb, v); !errp.IsNil() {
			return nil, errp.WithPrefix("Res2Map[" + k + "]")
		}
		b.bldRes2Map[k] = vb
	}

	return b, template.ErrorPath{}
}

// build and return the instance, given a set of attributes.
func (b *builder_istio_mixer_adapter_sample_report_Res1) build(
	attrs attribute.Bag) (*istio_mixer_adapter_sample_report.Res1, template.ErrorPath) {

	if b == nil {
		return nil, template.ErrorPath{}
	}

	var err error
	_ = err
	var errp template.ErrorPath
	_ = errp
	var vBool bool
	_ = vBool
	var vInt int64
	_ = vInt
	var vString string
	_ = vString
	var vDouble float64
	_ = vDouble
	var vIface interface{}
	_ = vIface

	r := &istio_mixer_adapter_sample_report.Res1{}

	if b.bldValue != nil {

		if vIface, err = b.bldValue.Evaluate(attrs); err != nil {
			return nil, template.NewErrorPath("Value", err)
		}

		r.Value = vIface

	}

	r.Dimensions = make(map[string]interface{}, len(b.bldDimensions))

	for k, v := range b.bldDimensions {

		if vIface, err = v.Evaluate(attrs); err != nil {
			return nil, template.NewErrorPath("Dimensions["+k+"]", err)
		}

		r.Dimensions[k] = vIface

	}

	if b.bldInt64Primitive != nil {

		vInt, err = b.bldInt64Primitive.EvaluateInteger(attrs)
		if err != nil {
			return nil, template.NewErrorPath("Int64Primitive", err)
		}
		r.Int64Primitive = vInt

	}

	if b.bldBoolPrimitive != nil {

		vBool, err = b.bldBoolPrimitive.EvaluateBoolean(attrs)
		if err != nil {
			return nil, template.NewErrorPath("BoolPrimitive", err)
		}
		r.BoolPrimitive = vBool

	}

	if b.bldDoublePrimitive != nil {

		vDouble, err = b.bldDoublePrimitive.EvaluateDouble(attrs)
		if err != nil {
			return nil, template.NewErrorPath("DoublePrimitive", err)
		}
		r.DoublePrimitive = vDouble

	}

	if b.bldStringPrimitive != nil {

		vString, err = b.bldStringPrimitive.EvaluateString(attrs)
		if err != nil {
			return nil, template.NewErrorPath("StringPrimitive", err)
		}
		r.StringPrimitive = vString

	}

	r.Int64Map = make(map[string]int64, len(b.bldInt64Map))

	for k, v := range b.bldInt64Map {

		vInt, err = v.EvaluateInteger(attrs)
		if err != nil {
			return nil, template.NewErrorPath("Int64Map["+k+"]", err)
		}
		r.Int64Map[k] = vInt

	}

	if b.bldTimeStamp != nil {

		if vIface, err = b.bldTimeStamp.Evaluate(attrs); err != nil {
			return nil, template.NewErrorPath("TimeStamp", err)
		}

		r.TimeStamp = vIface.(time.Time)

	}

	if b.bldDuration != nil {

		if vIface, err = b.bldDuration.Evaluate(attrs); err != nil {
			return nil, template.NewErrorPath("Duration", err)
		}

		r.Duration = vIface.(time.Duration)

	}

	if b.bldRes2 != nil {

		if r.Res2, errp = b.bldRes2.build(attrs); !errp.IsNil() {
			return nil, errp.WithPrefix("Res2")
		}

	}

	r.Res2Map = make(map[string]*istio_mixer_adapter_sample_report.Res2, len(b.bldRes2Map))
	for k, v := range b.bldRes2Map {
		if r.Res2Map[k], errp = v.build(attrs); !errp.IsNil() {
			return nil, errp.WithPrefix("Res2Map[" + k + "]")
		}
	}

	return r, template.ErrorPath{}
}

// builder struct for constructing an instance of Res2.
type builder_istio_mixer_adapter_sample_report_Res2 struct {

	// builder for field value: interface{}.

	bldValue compiled.Expression

	// builder for field dimensions: map[string]interface{}.

	bldDimensions map[string]compiled.Expression

	// builder for field int64Primitive: int64.

	bldInt64Primitive compiled.Expression

	// builder for field timeStamp: time.Time.

	bldTimeStamp compiled.Expression

	// builder for field duration: time.Duration.

	bldDuration compiled.Expression

	// builder for field ip_addr: net.IP.

	bldIpAddr compiled.Expression

	// builder for field dns_name: adapter.DNSName.

	bldDnsName compiled.Expression

	// builder for field email_addr: adapter.EmailAddress.

	bldEmailAddr compiled.Expression

	// builder for field uri: adapter.URI.

	bldUri compiled.Expression
} // builder_istio_mixer_adapter_sample_report_Res2

// Instantiates and returns a new builder for Res2, based on the provided instance parameter.
func newBuilder_istio_mixer_adapter_sample_report_Res2(
	expb lang.Compiler,
	param *istio_mixer_adapter_sample_report.Res2InstanceParam) (*builder_istio_mixer_adapter_sample_report_Res2, template.ErrorPath) {

	// If the parameter is nil. Simply return nil. The builder, then, will also return nil.
	if param == nil {
		return nil, template.ErrorPath{}
	}

	b := &builder_istio_mixer_adapter_sample_report_Res2{}

	var exp compiled.Expression
	_ = exp
	var err error
	_ = err
	var errp template.ErrorPath
	_ = errp
	var expType istio_policy_v1beta1.ValueType
	_ = expType

	if param.Value == "" {
		b.bldValue = nil
	} else {
		b.bldValue, expType, err = expb.Compile(param.Value)
		if err != nil {
			return nil, template.NewErrorPath("Value", err)
		}

	}

	b.bldDimensions = make(map[string]compiled.Expression, len(param.Dimensions))
	for k, v := range param.Dimensions {
		var exp compiled.Expression
		if exp, expType, err = expb.Compile(v); err != nil {
			return nil, template.NewErrorPath("Dimensions["+k+"]", err)
		}

		b.bldDimensions[k] = exp
	}

	if param.Int64Primitive == "" {
		b.bldInt64Primitive = nil
	} else {
		b.bldInt64Primitive, expType, err = expb.Compile(param.Int64Primitive)
		if err != nil {
			return nil, template.NewErrorPath("Int64Primitive", err)
		}

		if expType != istio_policy_v1beta1.INT64 {
			err = fmt.Errorf("instance field type mismatch: expected='%v', actual='%v', expression='%s'", istio_policy_v1beta1.INT64, expType, param.Int64Primitive)
			return nil, template.NewErrorPath("Int64Primitive", err)
		}

	}

	if param.TimeStamp == "" {
		b.bldTimeStamp = nil
	} else {
		b.bldTimeStamp, expType, err = expb.Compile(param.TimeStamp)
		if err != nil {
			return nil, template.NewErrorPath("TimeStamp", err)
		}

	}

	if param.Duration == "" {
		b.bldDuration = nil
	} else {
		b.bldDuration, expType, err = expb.Compile(param.Duration)
		if err != nil {
			return nil, template.NewErrorPath("Duration", err)
		}

	}

	if param.IpAddr == "" {
		b.bldIpAddr = nil
	} else {
		b.bldIpAddr, expType, err = expb.Compile(param.IpAddr)
		if err != nil {
			return nil, template.NewErrorPath("IpAddr", err)
		}

	}

	if param.DnsName == "" {
		b.bldDnsName = nil
	} else {
		b.bldDnsName, expType, err = expb.Compile(param.DnsName)
		if err != nil {
			return nil, template.NewErrorPath("DnsName", err)
		}

	}

	if param.EmailAddr == "" {
		b.bldEmailAddr = nil
	} else {
		b.bldEmailAddr, expType, err = expb.Compile(param.EmailAddr)
		if err != nil {
			return nil, template.NewErrorPath("EmailAddr", err)
		}

	}

	if param.Uri == "" {
		b.bldUri = nil
	} else {
		b.bldUri, expType, err = expb.Compile(param.Uri)
		if err != nil {
			return nil, template.NewErrorPath("Uri", err)
		}

	}

	return b, template.ErrorPath{}
}

// build and return the instance, given a set of attributes.
func (b *builder_istio_mixer_adapter_sample_report_Res2) build(
	attrs attribute.Bag) (*istio_mixer_adapter_sample_report.Res2, template.ErrorPath) {

	if b == nil {
		return nil, template.ErrorPath{}
	}

	var err error
	_ = err
	var errp template.ErrorPath
	_ = errp
	var vBool bool
	_ = vBool
	var vInt int64
	_ = vInt
	var vString string
	_ = vString
	var vDouble float64
	_ = vDouble
	var vIface interface{}
	_ = vIface

	r := &istio_mixer_adapter_sample_report.Res2{}

	if b.bldValue != nil {

		if vIface, err = b.bldValue.Evaluate(attrs); err != nil {
			return nil, template.NewErrorPath("Value", err)
		}

		r.Value = vIface

	}

	r.Dimensions = make(map[string]interface{}, len(b.bldDimensions))

	for k, v := range b.bldDimensions {

		if vIface, err = v.Evaluate(attrs); err != nil {
			return nil, template.NewErrorPath("Dimensions["+k+"]", err)
		}

		r.Dimensions[k] = vIface

	}

	if b.bldInt64Primitive != nil {

		vInt, err = b.bldInt64Primitive.EvaluateInteger(attrs)
		if err != nil {
			return nil, template.NewErrorPath("Int64Primitive", err)
		}
		r.Int64Primitive = vInt

	}

	if b.bldTimeStamp != nil {

		if vIface, err = b.bldTimeStamp.Evaluate(attrs); err != nil {
			return nil, template.NewErrorPath("TimeStamp", err)
		}

		r.TimeStamp = vIface.(time.Time)

	}

	if b.bldDuration != nil {

		if vIface, err = b.bldDuration.Evaluate(attrs); err != nil {
			return nil, template.NewErrorPath("Duration", err)
		}

		r.Duration = vIface.(time.Duration)

	}

	if b.bldIpAddr != nil {

		if vIface, err = b.bldIpAddr.Evaluate(attrs); err != nil {
			return nil, template.NewErrorPath("IpAddr", err)
		}

		r.IpAddr = net.IP(vIface.([]byte))

	}

	if b.bldDnsName != nil {

		if vIface, err = b.bldDnsName.Evaluate(attrs); err != nil {
			return nil, template.NewErrorPath("DnsName", err)
		}

		r.DnsName = adapter.DNSName(vIface.(string))

	}

	if b.bldEmailAddr != nil {

		if vIface, err = b.bldEmailAddr.Evaluate(attrs); err != nil {
			return nil, template.NewErrorPath("EmailAddr", err)
		}

		r.EmailAddr = adapter.EmailAddress(vIface.(string))

	}

	if b.bldUri != nil {

		if vIface, err = b.bldUri.Evaluate(attrs); err != nil {
			return nil, template.NewErrorPath("Uri", err)
		}

		r.Uri = adapter.URI(vIface.(string))

	}

	return r, template.ErrorPath{}
}
