# Constants
EndpointsNameSeparator is separator for BkGatewayEndpoint name between registry name and service name.
ListSupported means supporting list discovery.
ManagedByLabelTag is label tag for BkGatewayEndpoints.
WatchAndListSupported means supporting both watch and list discovery.
WatchSupported means supporting watch discovery.
# Interfaces
Registry is user considered registry interface.
# Type aliases
CallBack is function for registry to transfer endpoints when service events happens.
SupportMethods is supported discovery methods for registry.