Tree KIT

`[tuiTreeController]` Directive used to enable opening/closing of nodes with children. `Boolean` input is the default state.	`boolean`

`[childrenHandler]` Handler function to get children for a node	`TuiHandler<T, readonly T[]>`
`[content]` Content template for tree nodes	`PolymorpheusContent<TuiTreeContext>`
`[data]` Data for the tree node	`T`
`[tuiTreeController]` Directive used to enable opening/closing of nodes with children. `Boolean` input is the default state.	`boolean`
`[map]` A map used with controller directive for manual programmatic toggling.	`Map<T, boolean>`
`[trackBy]` Function used by `*ngFor` directive to render nested tree items.	`TrackByFunction<T>`

`TUI_TREE_CONTENT` Provide your own component used internally to display node content (see this example )	`PolymorpheusContent<TuiTreeItemContext>`
`TUI_TREE_CONTROLLER` Provide your own open/closed controlling mechanism	`TuiTreeController`
`TUI_TREE_ACCESSOR` Provide your own tracker for value/node pairs (so you can match `TreeItem` instances to their corresponding `data: T` when using `Tree` component with custom open/closed controller)	`TuiTreeAccessor<T>`