code: func (i *Client) ServerCapabilities(c context.Context) (*isolateservice.HandlersEndpointsV1ServerDetails, error) {
  	out := &isolateservice.HandlersEndpointsV1ServerDetails{}
  	if err := i.postJSON(c, "/_ah/api/isolateservice/v1/server_details", nil, map[string]string{}, out); err != nil {
  		return nil, err
  	}
  	return out, nil
  }
docs: // ServerCapabilities returns the server details.