function getOwnGroup(oControl) {
			var oLayoutData = oControl && oControl.getLayoutData();

			if (isInstanceOf(oLayoutData, "sap/m/OverflowToolbarLayoutData")) {
				return oLayoutData.getGroup();
			}
		}
Enables the <code>sap.m.Label</code> to move inside the sap.m.OverflowToolbar.
Required by the {@link sap.m.IOverflowToolbarContent} interface.

@public
@returns {sap.m.OverflowToolbarConfig} Configuration information for the <code>sap.m.IOverflowToolbarContent</code> interface.