code: func (s *ChangesService) GetChange(changeID string, opt *ChangeOptions) (*ChangeInfo, *Response, error) {
  	u := fmt.Sprintf("changes/%s", changeID)
  	return s.getChangeInfoResponse(u, opt)
  }
docs: // GetChange retrieves a change.
  // Additional fields can be obtained by adding o parameters, each option requires more database lookups and slows down the query response time to the client so they are generally disabled by default.
  //
  // Gerrit API docs: https://gerrit-review.googlesource.com/Documentation/rest-api-changes.html#get-change