declaration()" class="member-name-link">declaration</a>()</code></div>
<div class="col-last even-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4">
<div class="block">Gets the <code>FunctionDeclaration</code> representation of this tool.</div>
</div>
<div class="col-first odd-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4"><code>io.reactivex.rxjava3.core.Single<wbr>&lt;<a href="https://docs.oracle.com/en/java/javase/17/docs/api/java.base/