@interface _TtCV14BiomeSQLParser34PgQuery_AlterExtensionContentsStmtP33_A784F7F2ED97E043416F18646CF1BF1713_StorageClass : _TtCs12_SwiftObject {
    void /* unknown type, empty encoding */ _extname;
    void /* unknown type, empty encoding */ _action;
    void /* unknown type, empty encoding */ _objtype;
    void /* unknown type, empty encoding */ _object;
}

@end