import * as interfaces from '../../dist_ts_interfaces/index.js';
export interface IOpsRealtimeTicket {
    serverEpoch: string | null;
    revisions: Partial<interfaces.requests.IOpsRealtimeRevisionMap>;
}
export type TOpsRealtimeListener = (invalidationsArg: interfaces.requests.IOpsRealtimeInvalidation[]) => void;
/**
 * Orders pushes and HTTP reads. A read may apply only while every captured
 * resource revision is still current.
 */
export declare class OpsRealtimeFreshness {
    private serverEpoch;
    private revisions;
    private listeners;
    getKnownState(): {
        knownServerEpoch?: string;
        knownRevisions: interfaces.requests.IOpsRealtimeRevisionMap;
    };
    capture(resourcesArg: interfaces.requests.TOpsRealtimeResource | interfaces.requests.TOpsRealtimeResource[]): IOpsRealtimeTicket;
    isCurrent(ticketArg: IOpsRealtimeTicket): boolean;
    accept(serverEpochArg: string, invalidationsArg: interfaces.requests.IOpsRealtimeInvalidation[]): interfaces.requests.IOpsRealtimeInvalidation[];
    subscribe(listenerArg: TOpsRealtimeListener): () => void;
    reset(): void;
}
export declare const opsRealtimeFreshness: OpsRealtimeFreshness;
export declare const captureRealtimeTicket: (resourcesArg: interfaces.requests.TOpsRealtimeResource | interfaces.requests.TOpsRealtimeResource[]) => IOpsRealtimeTicket;
export declare const isRealtimeTicketCurrent: (ticketArg: IOpsRealtimeTicket) => boolean;