code: func (actor Actor) GetSpaceStagingSecurityGroupsBySpace(spaceGUID string) ([]SecurityGroup, Warnings, error) {
  	ccv2SecurityGroups, warnings, err := actor.CloudControllerClient.GetSpaceStagingSecurityGroups(spaceGUID)
  	return processSecurityGroups(spaceGUID, ccv2SecurityGroups, Warnings(warnings), err)
  }
docs: // GetSpaceStagingSecurityGroupsBySpace returns a list of all security groups
  // bound to this space in the 'staging' lifecycle phase. with an optional