import { InfiniteData } from '@tanstack/react-query';
import { ApiCollection, MessageResource } from '../../types';
import { RequestData } from '../client';
export type MessagesWindow = InfiniteData<ApiCollection<MessageResource>, Partial<RequestData> | undefined>;
export declare const livePageParam: Partial<RequestData>;
export declare const anchoredPageParam: (anchor: string) => Partial<RequestData>;
export declare function isBehindLiveEdge(data: MessagesWindow | undefined): boolean;
export declare function newerPageParam(firstPage: ApiCollection<MessageResource>): Partial<RequestData> | undefined;
export declare function newestFirst<Page extends ApiCollection<MessageResource>>(page: Page, pageParam: Partial<RequestData> | undefined): Page;
export declare function markLiveIfCaughtUp(data: MessagesWindow | undefined): MessagesWindow | undefined;
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