import { Observable } from 'rxjs';
import { ReaderSettingsManager } from '../../settings/ReaderSettingsManager';
import { SpineItemsManager } from '../../spine/SpineItemsManager';
import { Viewport } from '../../viewport/Viewport';
import { NavigationResolver } from '../resolvers/NavigationResolver';
import { InternalNavigationEntry, InternalNavigationInput } from '../types';
export declare const withFallbackPosition: ({ spineItemsManager, navigationResolver, settings, viewport, }: {
    spineItemsManager: SpineItemsManager;
    navigationResolver: NavigationResolver;
    settings: ReaderSettingsManager;
    viewport: Viewport;
}) => <Navigation extends {
    navigation: InternalNavigationInput;
    previousNavigation: InternalNavigationEntry;
}>(stream: Observable<Navigation>) => Observable<Omit<Navigation, "navigation"> & {
    navigation: InternalNavigationEntry;
}>;