import type { MetricsHistoryPoint, MetricsHistoryProvider, MetricsHistoryQuery, MetricsLatencyPoint, MetricsLatencyQuery } from '@bull-board/api/typings/app';
import { type MetricsConnection } from './connection';
import { type HistoryStats, type PurgeOptions, type PurgeResult } from './HistoryAdmin';
import { type Retention } from './HistoryStore';
export interface RedisMetricsHistoryProviderOptions {
    connection: MetricsConnection;
    /** Must match the recorder's. See `MetricsRecorderOptions.prefix`. */
    prefix?: string;
    /** Should mirror the recorder's retention. Only used to bound the query span. */
    retention?: Partial<Retention>;
    retentionDays?: number;
}
export declare class RedisMetricsHistoryProvider implements MetricsHistoryProvider {
    private readonly store;
    private readonly latencyStore;
    private readonly admin;
    private readonly redis;
    private readonly ownsRedis;
    private readonly retentionDays;
    constructor(opts: RedisMetricsHistoryProviderOptions);
    disconnect(): void;
    /** Backs the board's storage panel. See MetricsHistoryAdmin.stats. */
    getUsage(): Promise<HistoryStats>;
    /** Backs the board's "clear history" action. See MetricsHistoryAdmin.purge. */
    purge(options?: PurgeOptions): Promise<PurgeResult>;
    getHistory(query: MetricsHistoryQuery): Promise<MetricsHistoryPoint[]>;
    getLatency(query: MetricsLatencyQuery): Promise<MetricsLatencyPoint[]>;
}