function fireChange(mChanges) {
		oEventing.fireEvent("change", mChanges);
	}
Sets the current animation mode.

Expects an animation mode as string and validates it. If a wrong animation mode was set, an error is
thrown. If the mode is valid it is set, then the attributes <code>data-sap-ui-animation</code> and
<code>data-sap-ui-animation-mode</code> of the HTML document root element are also updated.
If the <code>animationMode</code> is <code>AnimationMode.none</code> the old
<code>animation</code> property is set to <code>false</code>, otherwise it is set to <code>true</code>.

@param {module:sap/ui/core/AnimationMode} sAnimationMode A valid animation mode
@throws {Error} If the provided <code>sAnimationMode</code> does not exist, an error is thrown
@public
@since 1.120