presto-spi/src/main/java/io/prestosql/spi/connector/classloader/ClassLoaderSafeConnectorAccessControl.java/ClassLoaderSafeConnectorAccessControl/filterSchemas
class ClassLoaderSafeConnectorAccessControl:    @Override
    public Set<String> filterSchemas(ConnectorSecurityContext context, Set<String> schemaNames)
    {
        try (ThreadContextClassLoader ignored = new ThreadContextClassLoader(classLoader)) {
            return delegate.filterSchemas(context, schemaNames);
        }
    }