readNull method
Converts a null JSON value to type T.
@param value The JSON value (may be null).
@param type The type information describing the target type.
@param options The serializer options containing configuration.
@returns The converted value of type T, or null if the input value is null.
Implementation
T? readNull(dynamic value, TypeInfo type, JsonSerializerOptions options) {
if (value == null) {
return null;
}
return read(value, type, options);
}