FILE fqName:<root> fileName:/functionSupertype.kt
  CLASS INTERFACE name:Foo modality:ABSTRACT visibility:public [fun] superTypes:[kotlin.Function0<kotlin.Int>]
    $this: VALUE_PARAMETER INSTANCE_RECEIVER name:<this> type:<root>.Foo
    FUN FAKE_OVERRIDE name:invoke visibility:public modality:ABSTRACT <> ($this:kotlin.Function0<R of kotlin.Function0>) returnType:kotlin.Int [fake_override,operator]
      overridden:
        public abstract fun invoke (): R of kotlin.Function0 [operator] declared in kotlin.Function0
      $this: VALUE_PARAMETER name:<this> type:kotlin.Function0<R of kotlin.Function0>
    FUN FAKE_OVERRIDE name:equals visibility:public modality:OPEN <> ($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 kotlin.Function0
      $this: VALUE_PARAMETER name:<this> type:kotlin.Any
      VALUE_PARAMETER name:other index:0 type:kotlin.Any?
    FUN FAKE_OVERRIDE name:hashCode visibility:public modality:OPEN <> ($this:kotlin.Any) returnType:kotlin.Int [fake_override]
      overridden:
        public open fun hashCode (): kotlin.Int [fake_override] declared in kotlin.Function0
      $this: VALUE_PARAMETER name:<this> type:kotlin.Any
    FUN FAKE_OVERRIDE name:toString visibility:public modality:OPEN <> ($this:kotlin.Any) returnType:kotlin.String [fake_override]
      overridden:
        public open fun toString (): kotlin.String [fake_override] declared in kotlin.Function0
      $this: VALUE_PARAMETER name:<this> type:kotlin.Any
  FUN name:id visibility:public modality:FINAL <> (foo:<root>.Foo) returnType:kotlin.Any
    VALUE_PARAMETER name:foo index:0 type:<root>.Foo
    BLOCK_BODY
      RETURN type=kotlin.Nothing from='public final fun id (foo: <root>.Foo): kotlin.Any declared in <root>'
        GET_VAR 'foo: <root>.Foo declared in <root>.id' type=<root>.Foo origin=null
  FUN name:test visibility:public modality:FINAL <> (foo:<root>.Foo) returnType:kotlin.Unit
    VALUE_PARAMETER name:foo index:0 type:<root>.Foo
    BLOCK_BODY
      TYPE_OP type=kotlin.Unit origin=IMPLICIT_COERCION_TO_UNIT typeOperand=kotlin.Unit
        CALL 'public final fun id (foo: <root>.Foo): kotlin.Any declared in <root>' type=kotlin.Any origin=null
          foo: GET_VAR 'foo: <root>.Foo declared in <root>.test' type=<root>.Foo origin=null
