src/vs/base/browser/ui/tree/abstractTree.ts/FindController/constructor
class FindController:	constructor(
		private tree: AbstractTree<T, TFilterData, any>,
		model: ITreeModel<T, TFilterData, any>,
		private view: List<ITreeNode<T, TFilterData>>,
		private filter: FindFilter<T>,
		private readonly contextViewProvider: IContextViewProvider,
		private readonly options: IFindControllerOptions = {}
	) {
		this._mode = tree.options.defaultFindMode ?? TreeFindMode.Highlight;
		model.onDidSplice(this.onDidSpliceModel, this, this.disposables);
	}