code: func (c *Client) CreateChange(ctx context.Context, ci *ChangeInput) (*Change, error) {
  	var resp Change
  	if _, err := c.post(ctx, "a/changes/", ci, &resp); err != nil {
  		return nil, err
  	}
  	return &resp, nil
  }
docs: // CreateChange creates a new change in Gerrit.
  //
  // Returns a Change describing the newly created change or an error.