import * as _angular_core from '@angular/core';
import { Type, TemplateRef } from '@angular/core';
import { TreeGenerator, TreeNode, TreeGroupingFn, ALuSelectInputComponent, ɵCoreSelectPanelElement as _CoreSelectPanelElement, LuOptionContext, LuOptionComparer } from '@lucca-front/ng/core-select';

declare class TreeSelectDirective<T, V> implements TreeGenerator<T, TreeNode<T>> {
    #private;
    groupingFnInput: _angular_core.InputSignal<TreeGroupingFn<T>>;
    groupingFn: _angular_core.WritableSignal<TreeGroupingFn<T>>;
    constructor();
    generateTrees(items: T[]): TreeNode<T>[];
    static ɵfac: _angular_core.ɵɵFactoryDeclaration<TreeSelectDirective<any, any>, never>;
    static ɵdir: _angular_core.ɵɵDirectiveDeclaration<TreeSelectDirective<any, any>, "lu-simple-select[treeSelect],lu-multi-select[treeSelect]", never, { "groupingFnInput": { "alias": "treeSelect"; "required": true; "isSignal": true; }; }, {}, never, never, true, never>;
}

declare class TreeBranchComponent<T> {
    selectInputComponent: ALuSelectInputComponent<any, any>;
    rootOptionRef: _angular_core.Signal<_CoreSelectPanelElement<T>>;
    branch: _angular_core.InputSignal<TreeNode<T>>;
    optionTpl: _angular_core.InputSignal<Type<unknown> | TemplateRef<LuOptionContext<T>>>;
    optionIndex: _angular_core.InputSignalWithTransform<string, string | number>;
    optionComparer: _angular_core.InputSignal<LuOptionComparer<T>>;
    selectedOptions: _angular_core.InputSignal<T[]>;
    toggleOne: _angular_core.OutputEmitterRef<T>;
    selectMany: _angular_core.OutputEmitterRef<T[]>;
    unselectMany: _angular_core.OutputEmitterRef<T[]>;
    simpleMode: _angular_core.InputSignalWithTransform<boolean, unknown>;
    depth: _angular_core.InputSignal<number>;
    constructor();
    toggle(branchData: TreeNode<T>): void;
    selectOnlyChildren(branchData: TreeNode<T>): void;
    flattenTree(branch: TreeNode<T>, excludeRoot?: boolean): T[];
    static ɵfac: _angular_core.ɵɵFactoryDeclaration<TreeBranchComponent<any>, never>;
    static ɵcmp: _angular_core.ɵɵComponentDeclaration<TreeBranchComponent<any>, "lu-tree-branch", never, { "branch": { "alias": "branch"; "required": true; "isSignal": true; }; "optionTpl": { "alias": "optionTpl"; "required": true; "isSignal": true; }; "optionIndex": { "alias": "optionIndex"; "required": true; "isSignal": true; }; "optionComparer": { "alias": "optionComparer"; "required": true; "isSignal": true; }; "selectedOptions": { "alias": "selectedOptions"; "required": false; "isSignal": true; }; "simpleMode": { "alias": "simpleMode"; "required": false; "isSignal": true; }; "depth": { "alias": "depth"; "required": false; "isSignal": true; }; }, { "toggleOne": "toggleOne"; "selectMany": "selectMany"; "unselectMany": "unselectMany"; }, never, never, true, never>;
}

export { TreeBranchComponent, TreeSelectDirective };