import type { UmbTreeItemModel } from '../types.js';
import { UMB_TREE_CONTEXT } from '../tree.context.token.js';
import type { UmbTreeItemApi } from './tree-item-api.interface.js';
import { UmbBooleanState, UmbObjectState } from '../../../../libs/observable-api/index.js';
import { UmbContextBase } from '../../../../libs/class-api/index.js';
import type { UmbControllerHost } from '../../../../libs/controller-api/index.js';
import type { UmbEntityModel, UmbEntityUnique } from '../../entity/index.js';
import type { ManifestBase } from '../../../../libs/extension-api/index.js';
/**
 * Abstract base for tree item apis. Handles item data, selection, active state,
 * path, and entity actions — without children, expansion, or pagination.
 *
 * Provides itself as `UMB_TREE_ITEM_BASE_CONTEXT` so entity action conditions
 * can discover a tree item regardless of which tree view is active.
 */
export declare abstract class UmbTreeItemApiContextBase<TreeItemType extends UmbTreeItemModel = UmbTreeItemModel, ManifestType extends ManifestBase = ManifestBase> extends UmbContextBase implements UmbTreeItemApi<TreeItemType, ManifestType> {
    #private;
    unique: UmbEntityUnique | undefined;
    entityType: string | undefined;
    get manifest(): ManifestType | undefined;
    set manifest(value: ManifestType | undefined);
    protected _treeContext?: typeof UMB_TREE_CONTEXT.TYPE;
    /** Exposes the tree context consumer so subclasses can call `.asPromise()` on it. */
    protected readonly _treeContextConsumer: import("../../../../libs/context-api/index.js").UmbContextConsumerController<import("../tree.context.interface.js").UmbTreeContext<UmbTreeItemModel, import("../types.js").UmbTreeRootModel, import("../index.js").UmbTreeRootItemsRequestArgs>, import("../tree.context.interface.js").UmbTreeContext<UmbTreeItemModel, import("../types.js").UmbTreeRootModel, import("../index.js").UmbTreeRootItemsRequestArgs>>;
    protected readonly _treeItem: UmbObjectState<TreeItemType | undefined>;
    readonly treeItem: import("rxjs").Observable<TreeItemType | undefined>;
    protected readonly _isSelectable: UmbBooleanState<false>;
    readonly isSelectable: import("rxjs").Observable<boolean>;
    readonly isSelectableContext: import("rxjs").Observable<boolean>;
    protected readonly _isSelected: UmbBooleanState<false>;
    readonly isSelected: import("rxjs").Observable<boolean>;
    protected readonly _isActive: UmbBooleanState<false>;
    readonly isActive: import("rxjs").Observable<boolean>;
    readonly hasChildren: import("rxjs").Observable<boolean>;
    readonly hasActiveDescendant: import("rxjs").Observable<boolean | undefined>;
    readonly noAccess: import("rxjs").Observable<boolean>;
    readonly hasActions: import("rxjs").Observable<boolean>;
    protected readonly _selectOnly: UmbBooleanState<false>;
    readonly selectOnly: import("rxjs").Observable<boolean>;
    readonly path: import("rxjs").Observable<string>;
    /** Public accessor for the tree context. Kept public for backward compatibility. */
    get treeContext(): typeof UMB_TREE_CONTEXT.TYPE | undefined;
    constructor(host: UmbControllerHost);
    setTreeItem(item: TreeItemType | undefined): void;
    getTreeItem(): TreeItemType | undefined;
    getPath(): string;
    getAscending(): Array<UmbEntityModel> | undefined;
    protected _observeIsSelectable(): void;
    protected _observeIsSelected(): void;
    protected _observeSelectOnly(): void;
    /**
     * Hook called when the tree context is received or changes. Subclasses can override to add additional observations.
     * @param _context
     */
    protected _onTreeContextChanged(_context: typeof UMB_TREE_CONTEXT.TYPE): void;
    open(): void;
    select(): void;
    deselect(): void;
    constructPath(pathname: string, entityType: string, unique: string | null): string;
    destroy(): void;
}