FILE fqName:<root> fileName:/builtinMap.kt
  FUN name:plus visibility:public modality:FINAL <K1, V1> ($receiver:kotlin.collections.Map<out K1, V1>, pair:kotlin.Pair<K1, V1>) returnType:kotlin.collections.Map<K1, V1> flags:
    TYPE_PARAMETER name:K1 index:0 variance: superTypes:[kotlin.Any?]
    TYPE_PARAMETER name:V1 index:1 variance: superTypes:[kotlin.Any?]
    $receiver: VALUE_PARAMETER name:<this> type:kotlin.collections.Map<out K1, V1> flags:
    VALUE_PARAMETER name:pair index:0 type:kotlin.Pair<K1, V1> flags:
    BLOCK_BODY
      RETURN type=kotlin.Nothing from='plus(Pair<K1, V1>) on Map<out K1, V1>: Map<K1, V1>'
        WHEN type=kotlin.collections.Map<K1, V1> origin=null
          BRANCH
            if: CALL 'isEmpty(): Boolean' type=kotlin.Boolean origin=null
              $this: GET_VAR 'this@plus: Map<out K1, V1>' type=kotlin.collections.Map<out K1, V1> origin=null
            then: CALL 'mapOf(Pair<K, V>): Map<K, V>' type=kotlin.collections.Map<K1, V1> origin=null
              <K>: K1
              <V>: V1
              pair: GET_VAR 'value-parameter pair: Pair<K1, V1>' type=kotlin.Pair<K1, V1> origin=null
          BRANCH
            if: CONST Boolean type=kotlin.Boolean value=true
            then: CALL 'apply(T.() -> Unit) on T: T' type=java.util.LinkedHashMap<K1?, V1?> origin=null
              <T>: java.util.LinkedHashMap<K1?, V1?>
              $receiver: CALL 'constructor LinkedHashMap((MutableMap<out K!, out V!>..Map<out K!, V!>?))' type=java.util.LinkedHashMap<K1?, V1?> origin=null
                <K : Any!>: K1?
                <V : Any!>: V1?
                p0: GET_VAR 'this@plus: Map<out K1, V1>' type=kotlin.collections.Map<out K1, V1> origin=null
              block: BLOCK type=@[CALL 'constructor ExtensionFunctionType()' type=kotlin.ExtensionFunctionType origin=null] kotlin.Function1<java.util.LinkedHashMap<K1?, V1?>, kotlin.Unit> origin=LAMBDA
                FUN LOCAL_FUNCTION_FOR_LAMBDA name:<anonymous> visibility:local modality:FINAL <> ($receiver:java.util.LinkedHashMap<K1?, V1?>) returnType:kotlin.Unit flags:
                  $receiver: VALUE_PARAMETER name:<this> type:java.util.LinkedHashMap<K1?, V1?> flags:
                  BLOCK_BODY
                    RETURN type=kotlin.Nothing from='<anonymous>() on LinkedHashMap<K1!, V1!> /* = LinkedHashMap<K1!, V1!> */: Unit'
                      TYPE_OP type=kotlin.Unit origin=IMPLICIT_COERCION_TO_UNIT typeOperand=kotlin.Unit
                        typeOperand: CLASS IR_EXTERNAL_DECLARATION_STUB OBJECT name:Unit modality:FINAL visibility:public flags: superTypes:[kotlin.Any]
                        CALL 'put(K, V): V?' type=V1? origin=null
                          $this: GET_VAR 'this@<anonymous>: LinkedHashMap<(K1..K1?), (V1..V1?)>' type=java.util.LinkedHashMap<K1?, V1?> origin=null
                          key: CALL '<get-first>(): A' type=K1 origin=GET_PROPERTY
                            $this: GET_VAR 'value-parameter pair: Pair<K1, V1>' type=kotlin.Pair<K1, V1> origin=null
                          value: CALL '<get-second>(): B' type=V1 origin=GET_PROPERTY
                            $this: GET_VAR 'value-parameter pair: Pair<K1, V1>' type=kotlin.Pair<K1, V1> origin=null
                FUNCTION_REFERENCE '<anonymous>() on LinkedHashMap<K1!, V1!> /* = LinkedHashMap<K1!, V1!> */: Unit' type=@[CALL 'constructor ExtensionFunctionType()' type=kotlin.ExtensionFunctionType origin=null] kotlin.Function1<java.util.LinkedHashMap<K1?, V1?>, kotlin.Unit> origin=LAMBDA
