import { OnDestroy } from '@angular/core';
import { Case } from '../../resources/interface/case';
import { BehaviorSubject, Observable } from 'rxjs';
import * as i0 from "@angular/core";
/**
 * Holds information about the currently selected {@link Case}.
 *
 * Services that handle various task operations, can use this service to take into consideration changes in frontend data in
 * between backend call and backend response.
 *
 * This service is used by Tree Case View's {@link TreeTaskContentService}.
 */
export declare class SelectedCaseService implements OnDestroy {
    /**
     * Stores the currently selected {@link Case}.
     *
     * The initial value is `undefined`.
     *
     * Beware that setting new values doesn't make copies of the provided {@link Case} object,
     * so it is possible that any subscriber could modify the shared object.
     * Subscribed library services don't modify the provided {@link Case}, only the owner ({@link TreeTaskContentService})
     * of the {@link Case} object performs modifications of it.
     */
    protected _selectedCase$: BehaviorSubject<Case>;
    constructor();
    ngOnDestroy(): void;
    get selectedCase$(): Observable<Case>;
    /**
     * @param selectedCase the new value, that is emitted into the underlying stream
     */
    set selectedCase(selectedCase: Case);
    /**
     * @returns the current value of the underlying stream
     */
    get selectedCase(): Case;
    static ɵfac: i0.ɵɵFactoryDeclaration<SelectedCaseService, never>;
    static ɵprov: i0.ɵɵInjectableDeclaration<SelectedCaseService>;
}