FILE /samAdapter.kt
  FUN public fun test1(): kotlin.Unit
    BLOCK_BODY
      VAR val hello: java.lang.Runnable
        CALL 'Runnable(() -> Unit): Runnable' type=java.lang.Runnable origin=null
          function: BLOCK type=() -> kotlin.Unit origin=LAMBDA
            FUN LOCAL_FUNCTION_FOR_LAMBDA local final fun <anonymous>(): kotlin.Unit
              BLOCK_BODY
                RETURN type=kotlin.Nothing from='<anonymous>(): Unit'
                  CALL 'println(Any?): Unit' type=kotlin.Unit origin=null
                    message: CONST String type=kotlin.String value='Hello, world!'
            CALLABLE_REFERENCE '<anonymous>(): Unit' type=() -> kotlin.Unit origin=LAMBDA
      CALL 'run(): Unit' type=kotlin.Unit origin=null
        $this: GET_VAR 'hello: Runnable' type=java.lang.Runnable origin=null