InjectionToken<CngxMenuSubmenuLike>
DI token a submenu-companion directive provides. The surrounding menu collects every provider via contentChildren(CNGX_MENU_SUBMENU_ITEM, { descendants: true }) and exposes the array on CngxMenuHost.submenuItems.
contentChildren(CNGX_MENU_SUBMENU_ITEM, { descendants: true })
CngxMenuHost.submenuItems