ShortcutHintsMixin = function(oControl) {
		this.sControlId = oControl.getId();
		this._hintConfigs = [];
	}
A mixin that adds shortcut hints to a control's instance. A shortcut hint
may be provided directly as a text, as a key from the message bundle, or
as an event name to get it from a command execution attached to that event.
The shortcut shows in a popup next to conrol on focusin and mouseover.
The popup shows in place of the native tooltip, merging the tooltip text
with the provided hint.

@private
@alias sap.ui.core.ShortcutHintsMixin
@mixin
@since 1.80.0
@ui5-restricted sap.m.Button