what does this do in simple words

[todo]

goldst.github.io/blocks/button/ButtonAbstract.js

Lines 53 to 58 in 4a86c4b

	* @todo what does this do in simple words
	* @see TransformationController
	* @returns {void}
	*/
	mousemoveEvent() {
	this._bm.mousemoveEventShadow();

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This issue was generated by todo based on a todo comment in 4a86c4b when #36 was merged. cc @goldst.