n class="type-parameter"><a href="../state_machine_animation/AnimationModel-class.html">AnimationModel</a></span>&gt;</span>?</span> <span class="parameter-name">container</span>}</span>)
    <span class="returntype parameter">&#8594; <a href="../state_machine_animation/AnimationProperty-class.html">AnimationProperty</a><span class="signature">&lt;<wbr><span class="type-parameter"><a href="https://api.flutter.dev/flutter/dart-ui/Color-class.html">Color</a>?</span>, <span class="type-parameter">S</span>&gt;<