code: func (client *Client) GetPackage(packageGUID string) (Package, Warnings, error) {
  	request, err := client.newHTTPRequest(requestOptions{
  		RequestName: internal.GetPackageRequest,
  		URIParams:   internal.Params{"package_guid": packageGUID},
  	})
  	if err != nil {
  		return Package{}, nil, err
  	}
  
  	var responsePackage Package
  	response := cloudcontroller.Response{
  		DecodeJSONResponseInto: &responsePackage,
  	}
  	err = client.connection.Make(request, &response)
  
  	return responsePackage, response.Warnings, err
  }
docs: // GetPackage returns the package with the given GUID.