import type { UmbElementTreeChildrenOfRequestArgs, UmbElementTreeItemModel, UmbElementTreeRootItemsRequestArgs } from '../types.js';
import { UmbControllerBase } from '../../../libs/class-api/index.js';
import type { UmbTreeAncestorsOfRequestArgs, UmbTreeDataSource } from '../../core/tree/index.js';
/**
 * A data source for the Element tree that fetches data from the server
 * @class UmbElementTreeServerDataSource
 */
export declare class UmbElementTreeServerDataSource extends UmbControllerBase implements UmbTreeDataSource<UmbElementTreeItemModel> {
    #private;
    getRootItems(args: UmbElementTreeRootItemsRequestArgs): Promise<{
        data: {
            items: UmbElementTreeItemModel[];
            total: number;
            totalBefore: number;
            totalAfter: number;
        } | undefined;
        error: import("../../core/resources/index.js").UmbError | undefined;
    }>;
    getChildrenOf(args: UmbElementTreeChildrenOfRequestArgs): Promise<{
        data: {
            items: UmbElementTreeItemModel[];
            total: number;
            totalBefore: number;
            totalAfter: number;
        } | undefined;
        error: import("../../core/resources/index.js").UmbError | undefined;
    }>;
    getAncestorsOf(args: UmbTreeAncestorsOfRequestArgs): Promise<{
        data: UmbElementTreeItemModel[] | undefined;
        error: import("../../core/resources/index.js").UmbCancelError | import("../../core/resources/index.js").UmbApiError | undefined;
    }>;
}