ng</a></span><span class="signature">(<wbr><span class="parameter" id="collateListString-param-str"><span class="type-annotation"><a href="https://api.flutter.dev/flutter/dart-core/List-class.html">List</a><span class="signature">&lt;<wbr><span class="type-parameter"><a href="https://api.flutter.dev/flutter/dart-core/String-class.html">String</a></span>&gt;</span></span> <span class="parameter-name">str</span>, </span><span class="parameter" id="collateListString-param-separate">[<span class="type-annotatio