copyWith property Null safety
@JsonKey(ignore: true), override
Implementation
@override
@JsonKey(ignore: true)
_$$FormStringFieldCopyWith<_$FormStringField> get copyWith =>
throw _privateConstructorUsedError;
@override
@JsonKey(ignore: true)
_$$FormStringFieldCopyWith<_$FormStringField> get copyWith =>
throw _privateConstructorUsedError;