import { ActionsObservable, StateObservable } from 'redux-observable';
import { updateVendorSpendTrend } from '../../entity/vendor/vendorReducer';
import { updateVendorExpenseTrend } from '../../entity/vendorExpense/vendorExpenseReducer';
import { RootState } from '../../rootStateTypes';
import { ZeniAPI } from '../../zeniAPI';
import { fetchExpenseTrend, updateTrendFailure, updateTrendSuccess } from './trendReducer';
export type ActionType = ReturnType<typeof fetchExpenseTrend> | ReturnType<typeof updateVendorExpenseTrend> | ReturnType<typeof updateTrendSuccess> | ReturnType<typeof updateVendorSpendTrend> | ReturnType<typeof updateTrendFailure>;
export declare const fetchExpenseTrendEpic: (actions$: ActionsObservable<ActionType>, _: StateObservable<RootState>, zeniAPI: ZeniAPI) => import("rxjs").Observable<ActionType>;