_vfunc_must_not_override : <span>int64 <a href="index.html#argument-1-T">T</a>.const</span></code></dt><dt class="spec value" id="val-gi_vfunc_throws"><a href="#val-gi_vfunc_throws" class="anchor"></a><code><span class="keyword">val</span> gi_vfunc_throws : <span>int64 <a href="index.html#argument-1-T">T</a>.const</span></code></dt><dt class="spec value" id="val-flags"><a href="#val-flags" class="anchor"></a><code><span class="keyword">val</span> flags : <span>int64 <a href="index.html#argument-1-T">T</a>.t