KtSuccessCallInfo: call = KtSimpleFunctionCall: isImplicitInvoke = false partiallyAppliedSymbol = KtPartiallyAppliedSymbol: dispatchReceiver = KtExplicitReceiverValue: expression = handler isSafeNavigation = false type = test.pkg.MyHandler extensionReceiver = null signature = KtFunctionLikeSignature: receiverType = null returnType = kotlin.Unit symbol = test/pkg/MyHandler.act(: test.pkg.MyHandler, actor: test.pkg.MyInterface!): kotlin.Unit valueParameters = [ KtVariableLikeSignature: name = actor receiverType = null returnType = test.pkg.MyInterface! symbol = actor: test.pkg.MyInterface! callableIdIfNonLocal = null ] callableIdIfNonLocal = test/pkg/MyHandler.act typeArgumentsMapping = {} argumentMapping = { ::callback -> (KtVariableLikeSignature: name = actor receiverType = null returnType = test.pkg.MyInterface! symbol = actor: test.pkg.MyInterface! callableIdIfNonLocal = null) }