export class NavigationItemMock implements Xrm . Controls . NavigationItem { private id : string ; private standardElement : Xrm . Controls . UiStandardElement ; private focusable : Xrm . Controls . UiFocusable ; constructor ( id , standardElement , focusable ) { this . id = id ; this . standardElement = standardElement ; this . focusable = focusable ; } public setVisible ( visible ) { return this . standardElement . setVisible ( visible ) ; } public getVisible ( ) { return this . standardElement . getVisible ( ) ; } public getLabel ( ) { return this . standardElement . getLabel ( ) ; } public setLabel ( label ) { return this . standardElement . setLabel ( label ) ; } public setFocus ( ) { return this . focusable . setFocus ( ) ; } public getId ( ) { return this . id ; } }