flutter built_value live templates

blt.dart

 abstract class $NAME$ implements Built<$NAME$, $NAME$Builder> {
     $END$// fields go here}",
          
     $NAME$._();
         
     factory $NAME$([updates($NAME$Builder b)]) = _$$$NAME$;
 }

blth.dart

library $NAME$;
            
import 'dart:convert';
            
import 'package:built_collection/built_collection.dart';
import 'package:built_value/built_value.dart';
import 'package:built_value/serializer.dart';
            
part '$NAME$.g.dart';

blts.dart

abstract class $NAME$ implements Built<$NAME$, $NAME$Builder> {
    $END$       // fields go here
    
    $NAME$._();

    factory $NAME$([updates($NAME$Builder b)]) = _$$$NAME$;
        
    String toJson() {
        return json.encode(serializers.serializeWith($NAME$.serializer, this));
    }
            
    static $NAME$ fromJson(String jsonString) {
        return serializers.deserializeWith($NAME$.serializer, json.decode(jsonString));
    }
    
    static Serializer<$NAME$> get serializer => _$$$NAME1$Serializer;
    
}