import { DTreeData, DTreeDataOptions } from "./d-tree-data";
import { DTreeNode } from "./d-tree-node";
import { DTreeNodeAccessor } from "./d-tree-node-accessor";
import { DTreeNodeIteratee } from "./d-tree-node-iteratee";
import { DTreeDataSelection } from "./d-tree-data-selection";
import { DTreeDataMapped } from "./d-tree-data-mapped";
export interface DTreeDataImplParent {
    update(forcibly?: boolean): void;
}
export interface DTreeDataImplSelection<NODE extends DTreeNode> extends DTreeDataSelection<NODE> {
    onNodeChange(nodes: NODE[]): void;
}
export declare class DTreeDataImpl<NODE extends DTreeNode> implements DTreeData<NODE> {
    protected _parent: DTreeDataImplParent;
    protected _nodeToFlag: WeakMap<NODE, number>;
    protected _selection: DTreeDataImplSelection<NODE>;
    protected _nodes: NODE[];
    protected _accessor: DTreeNodeAccessor<NODE>;
    protected _mapped: DTreeDataMapped<NODE>;
    constructor(parent: DTreeDataImplParent, options?: DTreeDataOptions<NODE>);
    protected toSelection(options?: DTreeDataOptions<NODE>): DTreeDataImplSelection<NODE>;
    get nodes(): NODE[];
    set nodes(nodes: NODE[]);
    get mapped(): DTreeDataMapped<NODE>;
    get accessor(): DTreeNodeAccessor<NODE>;
    get selection(): DTreeDataSelection<NODE>;
    update(forcibly?: boolean): void;
    toggle(target: NODE): boolean;
    expand(target: NODE): boolean;
    collapse(target: NODE): boolean;
    expandAll(): boolean;
    collapseAll(): boolean;
    isCollapsed(target: NODE): boolean;
    isExpanded(target: NODE): boolean;
    clear(): boolean;
    remove(target: NODE): boolean;
    add(target: NODE, parent?: NODE): boolean;
    addBefore(target: NODE, sibling: NODE): boolean;
    addAfter(target: NODE, sibling: NODE): boolean;
    each(iteratee: DTreeNodeIteratee<NODE>): void;
    protected each_(nodes: NODE[], parent: NODE | null, iteratee: DTreeNodeIteratee<NODE>): void;
}