presto-spi/src/main/java/io/prestosql/spi/connector/ConnectorMetadata.java/ConnectorMetadata/revokeRoles
class ConnectorMetadata:    default void revokeRoles(ConnectorSession connectorSession, Set<String> roles, Set<PrestoPrincipal> grantees, boolean adminOptionFor, Optional<PrestoPrincipal> grantor)
    {
        throw new PrestoException(NOT_SUPPORTED, "This connector does not support roles");
    }