Navigation Types --- * pop-until: Navigates to requested page by popping until current page is requested page. (conditional pop) * push: Pushes the requested page even if it is at the back stack in the navigation tree. * push-replacement: Pushes the requested page by replacing the current page. * push-as-root: Pushes the requested page after cleaning the back stack. * popup: Displays the requested page in a popup. * bottom-sheet: Displays the requested page in a bottom sheet modal.