@{DATA_VALIDATION_ERROR} ${500}
@{DELETED_STATUS_CODE} ${404} # List of integers, not strings. Used by DELETE if the resource may be not present.
@{NO_STATUS_CODES}
+@{ALLOWED_DELETE_STATUS_CODES} ${200} ${201} ${204} ${404} # List of integers, not strings. Used by DELETE if the resource may be not present.
+@{UNAUTHORIZED_STATUS_CODES} ${401} # List of integers, not strings. Used in Keystone Authentication when the user is not authorized to use the requested resource.
@{KEYS_WITH_BITS} op # the default list with keys to be sorted when norm_json libray is used
# TODO: Add option for delete to require 404.