src/sap.ui.rta/src/sap/ui/rta/plugin/additionalElements/AdditionalElementsPlugin.js
function(oOverlay) {
			return {
				asSibling: this._isEditableCheck.call(this, oOverlay, true),
				asChild: this._isEditableCheck.call(this, oOverlay, false)
			};
		}
function(oOverlay) {
			return {
				asSibling: this._isEditableCheck.call(this, oOverlay, true),
				asChild: this._isEditableCheck.call(this, oOverlay, false)
			};
		}
function ( oOverlay ) { return { asSibling : this . _isEditableCheck . call ( this , oOverlay , true ) , asChild : this . _isEditableCheck . call ( this , oOverlay , false ) } ; }
This function gets called on startup. It checks if the Overlay is editable by this plugin.
@param {sap.ui.dt.Overlay} oOverlay - overlay to be checked
@returns {object} Returns object with editable boolean values for "asChild" and "asSibling"
@protected
This function gets called on startup . It checks if the Overlay is editable by this plugin .