export interface RouteVisit {
    route: string;
    from: string | null;
    enteredAt: number;
    leftAt: number | null;
    epoch: number;
}
export type RouteHistoryMode = "listener" | "sampled";
export interface RouteHistoryResult {
    mode: RouteHistoryMode;
    visits: RouteVisit[];
}
export declare function routeHistorySize(): number;
export declare function formatDwell(ms: number): string;
export declare function formatRouteTrail(result: RouteHistoryResult, now: number): string;
export declare function buildRouteHistoryInstallSource(cap: number): string;
export declare function buildRouteHistoryReadSource(): string;
export declare function installRouteHistory(device?: string): Promise<RouteHistoryMode>;
export declare function readRouteHistory(device?: string): Promise<RouteHistoryResult>;
export declare function resetSampledRoutes(): void;
export declare function sampledVisits(deviceKey: string): RouteVisit[];
export declare function mergeListenerEntries(deviceKey: string, entries: Array<Omit<RouteVisit, "epoch">>, epoch: number): void;
export declare function recordSampledRoute(deviceKey: string, route: string, epoch: number, now: number): void;
//# sourceMappingURL=routeHistory.d.ts.map