private function parseTaxQueryVars() {
        foreach ( get_taxonomies( [ ], 'objects' ) as $t ) {
            if ( $t->query_var && isset( $this->query_vars[$t->query_var] ) ) {
                $encoded = str_replace( ' ', '+', $this->query_vars[$t->query_var] );
                $this->query_vars[$t->query_var] = $encoded;
            }
        }
    }