old_contents: # Remote_API Authentication configuration.
  
  # See google/appengine/ext/remote_api/handler.py for more information.
  # In most cases, you will not want to configure this.
  
  trusted_appid = ["annoserver"]
  remoteapi_CUSTOM_ENVIRONMENT_AUTHENTICATION = ("HTTP_X_APPENGINE_INBOUND_APPID", trusted_appid)
  
new_contents: # Remote_API Authentication configuration.
  
  # See google/appengine/ext/remote_api/handler.py for more information.
  # In most cases, you will not want to configure this.
  
  trusted_appid = ["annoserver", "annoserver-test", "usersource-anno"]
  remoteapi_CUSTOM_ENVIRONMENT_AUTHENTICATION = ("HTTP_X_APPENGINE_INBOUND_APPID", trusted_appid)
  
subject: Update appengine config