pe declaration</h4><ul class="tsd-parameters"><li class="tsd-parameter-signature"><ul class="tsd-signatures"><li class="tsd-signature" id="__type.__type-1"><span class="tsd-signature-symbol">(</span><span class="tsd-kind-parameter">key</span><span class="tsd-signature-symbol">)</span><span class="tsd-signature-symbol">: </span><a href="ScaleProps.html" class="tsd-signature-type tsd-kind-type-alias">ScaleProps</a><span class="tsd-signature-symbol">[</span><span class="tsd-signature-keyword">keyof </span><a h