import TreeCollection from 'bloko/common/tree/treeCollection';
export declare enum CoreField {
    Id = "id",
    Text = "text",
    Additional = "additional"
}
export type AdditionalDefault = Record<never, unknown>;
export interface TreeModel<A extends AdditionalDefault = never> {
    [CoreField.Id]: string;
    [CoreField.Text]: string;
    [CoreField.Additional]?: A;
}
export interface ModelData<A extends AdditionalDefault = never> extends TreeModel<A> {
    items?: ModelData<A>[];
    [x: string]: unknown;
}
/**
 * Коллбек, вызываемый на каждой модели при обходе дерева.
 */
export interface WalkCallback<A extends AdditionalDefault> {
    (
    /** Модель текущего узла. */
    item: TreeModel<A>, 
    /** Массив моделей родителей от ближнего к дальнему. */
    currentParents: TreeModel<A>[]): void;
}
export interface ModelPredicate {
    <A extends AdditionalDefault>(item: TreeModel<A>): boolean;
}
export interface IdCollectionPredicate {
    <A extends AdditionalDefault>(id: string, collection: TreeCollection<A>): boolean;
}
export interface IdPredicate {
    (id: string): boolean;
}
export interface TreeFilter {
    <A extends AdditionalDefault>(collection: TreeCollection<A>, filterFunction: ModelPredicate): TreeCollection<A>;
}