import { UmbControllerBase } from '../../../../libs/class-api/index.js';
import { type Observable } from '../../../../libs/observable-api/index.js';
import type { UmbEntityModel } from '../../entity/index.js';
/**
 * Manages which tree entity is currently being viewed, and the trail of entities leading to it
 * @exports
 * @class UmbTreeItemActiveManager
 * @augments {UmbControllerBase}
 */
export declare class UmbTreeItemActiveManager extends UmbControllerBase {
    #private;
    /**
     * The trail of entities from the tree root down to the entity currently being viewed.
     */
    readonly activeTrail: Observable<UmbEntityModel[]>;
    /**
     * @returns {Observable<Array<UmbEntityModel>>} The active trail
     * @deprecated Deprecated since v17. Use `activeTrail` instead. Will be removed in v19.
     */
    get active(): Observable<Array<UmbEntityModel>>;
    hostConnected(): void;
    hostDisconnected(): void;
    /**
     * Checks if a path is the one currently open in the browser
     * @param {Observable<string>} path The path to check, as it may change while the item is alive
     * @returns {Observable<boolean>} True while the browser location points at the path
     * @memberof UmbTreeItemActiveManager
     */
    isCurrentLocation(path: Observable<string>): Observable<boolean>;
    /**
     * Checks if an entity is active
     * @param {UmbEntityModel} entity The entity to check
     * @returns {Observable<boolean>} True if the entity is active
     * @memberof UmbTreeItemActiveManager
     */
    isActive(entity: UmbEntityModel): Observable<boolean>;
    /**
     * Checks if an descendant entity is active
     * @param {UmbEntityModel} entity The entity to check
     * @returns {Observable<boolean>} True if a descendant entity is active
     * @memberof UmbTreeItemActiveManager
     */
    hasActiveDescendants(entity: UmbEntityModel): Observable<boolean>;
    /**
     * Checks if an descendant entity is active
     * @param {UmbEntityModel} entity The entity to check
     * @returns {boolean} True if a descendant entity is active
     * @memberof UmbTreeItemActiveManager
     */
    getHasActiveDescendants(entity: UmbEntityModel): boolean;
    /**
     * Sets the trail of entities from the tree root down to the entity currently being viewed
     * @param {Array<UmbEntityModel>} activeTrail The active entries, root first.
     * @memberof UmbTreeItemActiveManager
     * @returns {void}
     */
    setActiveTrail(activeTrail: Array<UmbEntityModel>): void;
    /**
     * @param {Array<UmbEntityModel>} activeChain The active entries.
     * @deprecated Deprecated since v17. Use `setActiveTrail()` instead. Will be removed in v19.
     */
    setActive(activeChain: Array<UmbEntityModel>): void;
    /**
     * Clears the active trail, but only when it matches the given trail
     * @param {Array<UmbEntityModel>} activeTrail The trail that must match for the state to be cleared.
     * @memberof UmbTreeItemActiveManager
     * @returns {void}
     */
    removeActiveTrailIfMatch(activeTrail: Array<UmbEntityModel>): void;
    /**
     * @param {Array<UmbEntityModel>} activeChain The active entries.
     * @deprecated Deprecated since v17. Use `removeActiveTrailIfMatch()` instead. Will be removed in v19.
     */
    removeActiveIfMatch(activeChain: Array<UmbEntityModel>): void;
    /**
     * Gets the trail of entities from the tree root down to the entity currently being viewed
     * @memberof UmbTreeItemActiveManager
     * @returns {Array<UmbEntityModel>} The active trail, root first
     */
    getActiveTrail(): Array<UmbEntityModel>;
    /**
     * @returns {Array<UmbEntityModel>} The active trail
     * @deprecated Deprecated since v17. Use `getActiveTrail()` instead. Will be removed in v19.
     */
    getActive(): Array<UmbEntityModel>;
}