import { ActionsObservable, StateObservable } from 'redux-observable';
import { Observable } from 'rxjs';
import { RootState } from '../../../rootStateTypes';
import { fetchInvoicingDunningCaseDetail, fetchInvoicingDunningCaseDetailPage, fetchInvoicingDunningEmailPreviewPage } from './invoicingDunningCaseDetailViewReducer';
export type ActionType = ReturnType<typeof fetchInvoicingDunningCaseDetailPage> | ReturnType<typeof fetchInvoicingDunningCaseDetail> | ReturnType<typeof fetchInvoicingDunningEmailPreviewPage>;
/**
 * Orchestrates the dunning case detail page: the case record, plus a warm of
 * the email composer's preview so the dialog paints with content on first
 * open. The preview is deliberately not part of what the page waits on, and
 * its own guard makes the later open a no-op.
 */
export declare const fetchInvoicingDunningCaseDetailPageEpic: (actions$: ActionsObservable<ActionType>, state$: StateObservable<RootState>) => Observable<ActionType>;