code: func (client *Client) GetSpaceIsolationSegment(spaceGUID string) (Relationship, Warnings, error) {
  	request, err := client.newHTTPRequest(requestOptions{
  		RequestName: internal.GetSpaceRelationshipIsolationSegmentRequest,
  		URIParams:   internal.Params{"space_guid": spaceGUID},
  	})
  	if err != nil {
  		return Relationship{}, nil, err
  	}
  
  	var relationship Relationship
  	response := cloudcontroller.Response{
  		DecodeJSONResponseInto: &relationship,
  	}
  
  	err = client.connection.Make(request, &response)
  	return relationship, response.Warnings, err
  }
docs: // GetSpaceIsolationSegment returns the relationship between a space and it's
  // isolation segment.