code: function fnAddStandaloneBlockLayer () {
  		this._oBlockState = BlockLayerUtils.block(this, this.getId() + "-blockedLayer", this._sBlockSection);
  		jQuery(this._oBlockState.$blockLayer.get(0)).addClass("sapUiBlockLayerOnly");
  	}
docs: Adds a standalone block-layer. Might be shared with a BusyIndicator later on.