export interface SlackPresenceDirectoryUser {
    id?: string;
    name?: string;
    real_name?: string;
    deleted?: boolean;
    profile?: {
        display_name?: string;
        real_name?: string;
    };
}
export interface SlackPresenceSnapshot {
    userId: string;
    userName: string;
    presence: string;
    dndEnabled: boolean;
    dndEndTs?: number;
    dndEndAt?: string;
    autoAway?: boolean;
    manualAway?: boolean;
    connectionCount?: number;
    lastActivity?: number;
    online?: boolean;
}
export interface SlackDndInfoLike {
    dnd_enabled?: unknown;
    next_dnd_end_ts?: unknown;
    snooze_enabled?: unknown;
    snooze_endtime?: unknown;
}
export declare function stripSlackUserReference(value: string): string;
export declare function isSlackUserId(value: string): boolean;
export declare function getBestSlackPresenceUserName(user: SlackPresenceDirectoryUser): string;
export declare function findSlackPresenceDirectoryUser(users: SlackPresenceDirectoryUser[], identifier: string): SlackPresenceDirectoryUser | null;
export declare function resolveSlackPresenceDndEndTs(dndInfo: SlackDndInfoLike): number | undefined;
export declare function formatSlackPresenceTimestamp(ts: number | undefined): string | undefined;
export declare function formatSlackPresenceLine(snapshot: SlackPresenceSnapshot): string;