applyChange(oManifest, oChange) {
			if (!oChange.getContent().flexExtensionPointEnabled) {
				throw new Error("No flexExtensionPointEnabled in change content provided");
			}
			ObjectPath.set(["sap.ui5", "flexExtensionPointEnabled"], oChange.getContent().flexExtensionPointEnabled, oManifest);
			return oManifest;
		}
Method to apply the <code>appdescr_ui5_setFlexExtensionPointEnabled</code> change to the manifest.
@param {object} oManifest - Original manifest
@param {sap.ui.fl.apply._internal.flexObjects.AppDescriptorChange} oChange - Change with type <code>appdescr_ui5_setFlexExtensionPointEnabled</code>
@param {object} oChange.content - Details of the change
@param {boolean} oChange.content.flexExtensionPointEnabled - Boolean flag to enable extension point hook
@returns {object} Updated manifest with changed <code>appdescr_ui5_setFlexExtensionPointEnabled</code>

@private
@ui5-restricted sap.ui.fl.apply._internal