asOptional method
Implementation
@override
TypedJsonMapValueType<K, J, D> asOptional({bool optional = true}) =>
TypedJsonMapValueType(
keyValueType,
valueValueType,
optional: optional,
);
@override
TypedJsonMapValueType<K, J, D> asOptional({bool optional = true}) =>
TypedJsonMapValueType(
keyValueType,
valueValueType,
optional: optional,
);