import { ActionsObservable, StateObservable } from 'redux-observable';
import { Observable } from 'rxjs';
import { RootState } from '../../../rootStateTypes';
import { ZeniAPI } from '../../../zeniAPI';
import { fetchInvoicingPaymentLinkEmailPreview, updateInvoicingPaymentLinkEmailPreview, updateInvoicingPaymentLinkEmailPreviewFailure } from './editInvoicingCustomerDetailViewReducer';
export type ActionType = ReturnType<typeof fetchInvoicingPaymentLinkEmailPreview> | ReturnType<typeof updateInvoicingPaymentLinkEmailPreview> | ReturnType<typeof updateInvoicingPaymentLinkEmailPreviewFailure>;
/**
 * Renders the payment-link email once, server-side, with sentinel tokens where
 * the subject and body go. The composer splices the draft into those tokens as
 * the user types, so editing costs no further requests.
 */
export declare const fetchInvoicingPaymentLinkEmailPreviewEpic: (actions$: ActionsObservable<ActionType>, _state$: StateObservable<RootState>, zeniAPI: ZeniAPI) => Observable<ActionType>;