toJson method

Implementation

@override
Object toJson() => {
  if (instanceType.isNotDefault) 'instanceType': instanceType,
  if (keyField.isNotDefault) 'keyField': keyField,
  if (includedFields.isNotDefault) 'includedFields': includedFields,
  if (excludedFields.isNotDefault) 'excludedFields': excludedFields,
};