xtCallback.Function.html" title="interface in com.raylib.jextract">SaveFileTextCallback.Function</a>&nbsp;fi,
 <a href="https://docs.oracle.com/en/java/javase/22/docs/api/java.base/java/lang/foreign/Arena.html" title="class or interface in java.lang.foreign" class="external-link">Arena</a>&nbsp;arena)</span></div>
<div class="block">Allocates a new upcall stub, whose implementation is defined by <code>fi</code>.
 The lifetime of the returned segment is managed by <code>arena</code></div>
</div>
</section>
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