/span>, </span><span class="parameter" id="-param-tween"><span class="type-annotation"><a href="https://api.flutter.dev/flutter/animation/Tween-class.html">Tween</a><span class="signature">&lt;<wbr><span class="type-parameter">T</span>&gt;</span>?</span> <span class="parameter-name">tween</span>, </span><span class="parameter" id="-param-interpolator"><span class="type-annotation"><a href="../state_machine_animation/InterpolatorFunction.html">InterpolatorFunction</a><span class="signature">&lt;<wbr><span cl