function addStyleClass(oElement, sStyleClass) {
		if (!oElement) {
			return;
		}

		if (oElement.addStyleClass) {
			oElement.addStyleClass(sStyleClass);
		} else {
			oElement.$().addClass(sStyleClass);
		}
	}
Contains classes and helpers related to drag & drop functionality.

@name sap.ui.core.dnd
@namespace
@public
@since 1.52