import { type CollectExpiredInput, type CollectExpiredResult } from '../retention';
import { type PresenceHint, type PresenceHintInput, type PresenceStore } from '../presence';
import type { Clock } from '../stores';
import { type TenantId } from '../tenant';
export declare class InMemoryPresenceStore implements PresenceStore {
    #private;
    constructor(clock: Clock);
    publish(tenant: TenantId, input: PresenceHintInput): Promise<PresenceHint>;
    read(tenant: TenantId, deviceId: string): Promise<PresenceHint | undefined>;
    list(tenant: TenantId): Promise<readonly PresenceHint[]>;
    collectExpired(tenant: TenantId, input: CollectExpiredInput): Promise<CollectExpiredResult>;
}