MutableNavigationGraph
constructor(route: String, startDestination: StartDestination? = null, navigatables: List<Navigatable>, nestedGraphs: List<NavigationGraph>, layout: @Composable (@Composable () -> Unit) -> Unit? = null, interceptDefinition: InterceptDefinition? = null, entryDefinition: EntryDefinition? = null, navigatableIntercepts: NavigatableInterceptMap = emptyMap())(source)