<dt class="spec value" id="val-is_synchronized_library_call"><a href="#val-is_synchronized_library_call" class="anchor"></a><code><span class="keyword">val</span> is_synchronized_library_call : <a href="../../IR/Tenv/index.html#type-t">IR.Tenv.t</a> <span>&#45;&gt;</span> <a href="../../IR/Procname/index.html#type-t">IR.Procname.t</a> <span>&#45;&gt;</span> bool</code></dt><dd><p>does the method call lock-then-unlock the underlying object? legacy Java containers like Vector do this, and can interact with ex