Accessibility = function (oContext) {
		if (oContext) {
			this._oControl = oContext;
			this._oControl.addDelegate(this._controlDelegate, false, this);
		}

		this.oRb = Library.getResourceBundleFor("sap.f");
	}
This class is used to maintain all the accessibility roles, tooltips, etc., needed for the ShellBar control life cycle.
@alias module:sap/f/shellBar/Accessibility
@since 1.64
@private