code: function (oContext) {
  		if (oContext) {
  			oControl = oContext;
  			oControl.addDelegate(this._controlDelegate, false, this);
  		}
  
  		this.oRb = Core.getLibraryResourceBundle("sap.f");
  	}
docs: This class is used to maintain all the accessibility roles, tooltips, etc., needed for the ShellBar control life cycle.
  @alias sap/f/shellBar/Accessibility
  @since 1.64
  @private