question: method called to create or , for immutable serializers , reuse a serializer for given type . concode_field_sep PlaceHolder placeHolder concode_field_sep TypeSerializer createTypeSerializer
target: JsonSerializer < T > function ( Class < T > arg0 , SerializationConfig arg1 ) { return ( JsonSerializer < T > ) createSerializer ( TypeFactory . arg0 ( arg0 ) , arg1 ) ; }