when<TResult extends Object?> method Null safety

TResult when<TResult extends Object?>(
  1. {required TResult json(
    1. String id,
    2. String part,
    3. List<JsonSchema> schema,
    4. Map<String, dynamic> extra
    ),
  2. required TResult zipJson(
    1. String id,
    2. String part,
    3. List<JsonSchema> schema,
    4. Map<String, dynamic> extra
    )}
)
inherited

Implementation

@optionalTypeArgs
TResult when<TResult extends Object?>({
  required TResult Function(String id, String part, List<JsonSchema> schema,
          @JsonExtra() Map<String, dynamic> extra)
      json,
  required TResult Function(String id, String part, List<JsonSchema> schema,
          @JsonExtra() Map<String, dynamic> extra)
      zipJson,
}) =>
    throw _privateConstructorUsedError;