Generate Deserilazeble code with Parser.FlutterCombine

[emintolgahanpolat]

Is your feature request related to a problem? Please describe.
Why does "Parser.FlutterCombine" not produce deserilazeble code in its parser?

Describe the solution you'd like
Code generated with @RESTapi(parser: Parser.JsonSerializable)

Code generated with @RESTapi(parser: Parser.FlutterCompute)

The code I wrote is

Describe alternatives you've considered
When I use FlutterCompute as a parser, can't deseriazble code be created in the function name with JsonSerializable?