presto-main/src/main/java/io/prestosql/connector/informationschema/InformationSchemaHandleResolver.java/InformationSchemaHandleResolver/getColumnHandleClass
class InformationSchemaHandleResolver:    @Override
    public Class<? extends ColumnHandle> getColumnHandleClass()
    {
        return InformationSchemaColumnHandle.class;
    }