import type { Observable } from 'rxjs';
import type { RaidenAction } from '../../actions';
import type { RaidenState } from '../../state';
import type { RaidenEpicDeps } from '../../types';
import { channelClose } from '../actions';
/**
 * A ChannelClose action requested by user
 * Needs to be called on an opened or closing (for retries) channel.
 * If tx goes through successfuly, stop as ChannelClosed success action will instead be detected
 * and reacted by channelEventsEpic.
 * If anything detectable goes wrong, fires a ChannelCloseActionFailed instead
 *
 * @param action$ - Observable of channelClose actions
 * @param state$ - Observable of RaidenStates
 * @param deps - RaidenEpicDeps members
 * @returns Observable of channelClose.failure actions
 */
export declare function channelCloseEpic(action$: Observable<RaidenAction>, state$: Observable<RaidenState>, deps: RaidenEpicDeps): Observable<channelClose.failure>;
/**
 * When detecting a ChannelClosed event, calls updateNonClosingBalanceProof with partner's balance
 * proof, iff there's any
 * TODO: do it only if economically viable (and define what that means)
 *
 * @param action$ - Observable of channelClose.success|newBlock actions
 * @param state$ - Observable of RaidenStates
 * @param deps - RaidenEpicDeps members
 * @returns Empty observable
 */
export declare function channelUpdateEpic(action$: Observable<RaidenAction>, state$: Observable<RaidenState>, deps: RaidenEpicDeps): Observable<never>;