Module: lib
Module: main
FILE fqName:<root> fileName:/nullCheckOnInterfaceDelegation.kt
  CLASS INTERFACE name:IFoo modality:ABSTRACT visibility:public superTypes:[kotlin.Any]
    $this: VALUE_PARAMETER INSTANCE_RECEIVER name:<this> type:<root>.IFoo
    FUN name:foo visibility:public modality:ABSTRACT <> ($this:<root>.IFoo) returnType:kotlin.String
      $this: VALUE_PARAMETER name:<this> type:<root>.IFoo
    FUN FAKE_OVERRIDE name:equals visibility:public modality:OPEN <> ($this:kotlin.Any, other:kotlin.Any?) returnType:kotlin.Boolean [fake_override,operator]
      overridden:
        public open fun equals (other: kotlin.Any?): kotlin.Boolean [operator] declared in kotlin.Any
      $this: VALUE_PARAMETER name:<this> type:kotlin.Any
      VALUE_PARAMETER name:other index:0 type:kotlin.Any?
    FUN FAKE_OVERRIDE name:hashCode visibility:public modality:OPEN <> ($this:kotlin.Any) returnType:kotlin.Int [fake_override]
      overridden:
        public open fun hashCode (): kotlin.Int declared in kotlin.Any
      $this: VALUE_PARAMETER name:<this> type:kotlin.Any
    FUN FAKE_OVERRIDE name:toString visibility:public modality:OPEN <> ($this:kotlin.Any) returnType:kotlin.String [fake_override]
      overridden:
        public open fun toString (): kotlin.String declared in kotlin.Any
      $this: VALUE_PARAMETER name:<this> type:kotlin.Any
  CLASS CLASS name:Derived modality:FINAL visibility:public superTypes:[<root>.A; <root>.IFoo]
    $this: VALUE_PARAMETER INSTANCE_RECEIVER name:<this> type:<root>.Derived
    CONSTRUCTOR visibility:public <> () returnType:<root>.Derived [primary]
      BLOCK_BODY
        DELEGATING_CONSTRUCTOR_CALL 'public constructor <init> () [primary] declared in <root>.A'
        INSTANCE_INITIALIZER_CALL classDescriptor='CLASS CLASS name:Derived modality:FINAL visibility:public superTypes:[<root>.A; <root>.IFoo]'
    FUN name:foo visibility:public modality:OPEN <> ($this:<root>.Derived) returnType:@[FlexibleNullability] kotlin.String?
      overridden:
        public open fun foo (): @[FlexibleNullability] kotlin.String? declared in <root>.A
        public abstract fun foo (): kotlin.String declared in <root>.IFoo
      $this: VALUE_PARAMETER name:<this> type:<root>.Derived
      BLOCK_BODY
        RETURN type=kotlin.Nothing from='public open fun foo (): @[FlexibleNullability] kotlin.String? declared in <root>.Derived'
          CALL 'public open fun foo (): @[FlexibleNullability] kotlin.String? declared in <root>.A' superQualifier='CLASS IR_EXTERNAL_JAVA_DECLARATION_STUB CLASS name:A modality:OPEN visibility:public superTypes:[kotlin.Any]' type=@[FlexibleNullability] kotlin.String? origin=null
            $this: GET_VAR '<this>: <root>.Derived declared in <root>.Derived.foo' type=<root>.Derived origin=null
    FUN FAKE_OVERRIDE name:equals visibility:public modality:OPEN <> ($this:kotlin.Any, other:kotlin.Any?) returnType:kotlin.Boolean [fake_override,operator]
      overridden:
        public open fun equals (other: kotlin.Any?): kotlin.Boolean [fake_override,operator] declared in <root>.A
        public open fun equals (other: kotlin.Any?): kotlin.Boolean [fake_override,operator] declared in <root>.IFoo
      $this: VALUE_PARAMETER name:<this> type:kotlin.Any
      VALUE_PARAMETER name:other index:0 type:kotlin.Any?
    FUN FAKE_OVERRIDE name:hashCode visibility:public modality:OPEN <> ($this:kotlin.Any) returnType:kotlin.Int [fake_override]
      overridden:
        public open fun hashCode (): kotlin.Int [fake_override] declared in <root>.A
        public open fun hashCode (): kotlin.Int [fake_override] declared in <root>.IFoo
      $this: VALUE_PARAMETER name:<this> type:kotlin.Any
    FUN FAKE_OVERRIDE name:toString visibility:public modality:OPEN <> ($this:kotlin.Any) returnType:kotlin.String [fake_override]
      overridden:
        public open fun toString (): kotlin.String [fake_override] declared in <root>.A
        public open fun toString (): kotlin.String [fake_override] declared in <root>.IFoo
      $this: VALUE_PARAMETER name:<this> type:kotlin.Any
  CLASS CLASS name:Delegated modality:FINAL visibility:public superTypes:[<root>.IFoo]
    $this: VALUE_PARAMETER INSTANCE_RECEIVER name:<this> type:<root>.Delegated
    CONSTRUCTOR visibility:public <> () returnType:<root>.Delegated [primary]
      BLOCK_BODY
        DELEGATING_CONSTRUCTOR_CALL 'public constructor <init> () [primary] declared in kotlin.Any'
        INSTANCE_INITIALIZER_CALL classDescriptor='CLASS CLASS name:Delegated modality:FINAL visibility:public superTypes:[<root>.IFoo]'
    FIELD DELEGATE name:$$delegate_0 type:<root>.Derived visibility:private [final]
      EXPRESSION_BODY
        CONSTRUCTOR_CALL 'public constructor <init> () [primary] declared in <root>.Derived' type=<root>.Derived origin=null
    FUN DELEGATED_MEMBER name:foo visibility:public modality:OPEN <> ($this:<root>.Delegated) returnType:kotlin.String
      overridden:
        public abstract fun foo (): kotlin.String declared in <root>.IFoo
      $this: VALUE_PARAMETER name:<this> type:<root>.Delegated
      BLOCK_BODY
        RETURN type=kotlin.Nothing from='public open fun foo (): kotlin.String declared in <root>.Delegated'
          TYPE_OP type=kotlin.String origin=IMPLICIT_NOTNULL typeOperand=kotlin.String
            CALL 'public open fun foo (): @[FlexibleNullability] kotlin.String? declared in <root>.Derived' type=@[FlexibleNullability] kotlin.String? origin=null
              $this: GET_FIELD 'FIELD DELEGATE name:$$delegate_0 type:<root>.Derived visibility:private [final]' type=<root>.Derived origin=null
                receiver: GET_VAR '<this>: <root>.Delegated declared in <root>.Delegated.foo' type=<root>.Delegated origin=null
    FUN FAKE_OVERRIDE name:equals visibility:public modality:OPEN <> ($this:kotlin.Any, other:kotlin.Any?) returnType:kotlin.Boolean [fake_override,operator]
      overridden:
        public open fun equals (other: kotlin.Any?): kotlin.Boolean [fake_override,operator] declared in <root>.IFoo
      $this: VALUE_PARAMETER name:<this> type:kotlin.Any
      VALUE_PARAMETER name:other index:0 type:kotlin.Any?
    FUN FAKE_OVERRIDE name:hashCode visibility:public modality:OPEN <> ($this:kotlin.Any) returnType:kotlin.Int [fake_override]
      overridden:
        public open fun hashCode (): kotlin.Int [fake_override] declared in <root>.IFoo
      $this: VALUE_PARAMETER name:<this> type:kotlin.Any
    FUN FAKE_OVERRIDE name:toString visibility:public modality:OPEN <> ($this:kotlin.Any) returnType:kotlin.String [fake_override]
      overridden:
        public open fun toString (): kotlin.String [fake_override] declared in <root>.IFoo
      $this: VALUE_PARAMETER name:<this> type:kotlin.Any
  FUN name:testReturnValue visibility:public modality:FINAL <> () returnType:kotlin.String
    BLOCK_BODY
      RETURN type=kotlin.Nothing from='public final fun testReturnValue (): kotlin.String declared in <root>'
        CALL 'public open fun foo (): kotlin.String declared in <root>.Delegated' type=kotlin.String origin=null
          $this: CONSTRUCTOR_CALL 'public constructor <init> () [primary] declared in <root>.Delegated' type=<root>.Delegated origin=null
