import type { Observable } from 'rxjs';
import type { RaidenAction } from '../../actions';
import type { RaidenState } from '../../state';
import type { RaidenEpicDeps } from '../../types';
import { channelDeposit, channelOpen } from '../actions';
/**
 * A channelOpen action requested by user
 * Needs to be called on a previously monitored tokenNetwork. Calls TokenNetwork.openChannel
 * with given parameters. If tx goes through successfuly, stop as channelOpen.success action
 * will instead be detected and fired by channelEventsEpic. If anything detectable goes wrong,
 * fires a channelOpen.failure action instead
 *
 * @param action$ - Observable of channelOpen actions
 * @param state$ - Observable of RaidenStates
 * @param deps - RaidenEpicDeps members
 * @returns Observable of channelOpen.failure actions
 */
export declare function channelOpenEpic(action$: Observable<RaidenAction>, state$: Observable<RaidenState>, deps: RaidenEpicDeps): Observable<channelOpen.failure | channelDeposit.request>;