import type { Observable, ObservableInput } from 'rxjs';
import type { RaidenAction } from './actions';
import type { RaidenState } from './state';
import type { Latest, RaidenEpicDeps } from './types';
/**
 * This function maps cached/latest relevant values from action$ & state$
 *
 * @param action$ - Observable of RaidenActions
 * @param state$ - Observable of RaidenStates
 * @param deps - Epics dependencies, minus 'latest$' & 'config$' (outputs)
 * @param deps.defaultConfig - defaultConfig mapping
 * @param deps.mediationFeeCalculator - Calculator used to decode/validate config.mediationFees
 * @returns latest$ observable
 */
export declare function getLatest$(action$: Observable<RaidenAction>, state$: Observable<RaidenState>, { defaultConfig, mediationFeeCalculator, }: Pick<RaidenEpicDeps, 'defaultConfig' | 'mediationFeeCalculator'>): Observable<Latest>;
declare type RaidenEpic = (action$: Observable<RaidenAction>, state$: Observable<RaidenState>, deps: RaidenEpicDeps) => Observable<RaidenAction>;
/**
 * Consumes epics from epics$ and returns a root epic which properly wraps deps.latest$ and
 * limits action$ and state$ when raidenShutdown request goes through
 *
 * @param epics - Observable of raiden epics to compose the root epic
 * @returns The rootEpic which properly wires latest$ and limits action$ & state$
 */
export declare function combineRaidenEpics(epics?: ObservableInput<RaidenEpic>): RaidenEpic;
export {};