import { ActionsObservable, StateObservable } from 'redux-observable';
import { Observable } from 'rxjs';
import { RootState } from '../../../rootStateTypes';
import { fetchInvoicingConfig } from '../invoicingConfigView/invoicingConfigViewReducer';
import { fetchInvoiceDetail, fetchInvoiceDetailPage } from './invoiceDetailReducer';
export type ActionType = ReturnType<typeof fetchInvoiceDetailPage> | ReturnType<typeof fetchInvoiceDetail> | ReturnType<typeof fetchInvoicingConfig>;
/**
 * Orchestrates the invoice detail page: one action fans out to the invoice
 * record and the invoicing config behind its field help, each skipped when
 * already cached. The page reads a single reduced fetch state off the view, so
 * it holds a skeleton until the form can mount with real values.
 */
export declare const fetchInvoiceDetailPageEpic: (actions$: ActionsObservable<ActionType>, state$: StateObservable<RootState>) => Observable<ActionType>;