type MemberEventHint = {
    account: string;
    sourceKey: string;
    eventId: string;
    occurredAtMillis: number;
};
export declare function publishMemberEventHint(hint: MemberEventHint): void;
export declare function subscribeAllMemberEventHints(listener: (hint: MemberEventHint) => void): () => void;
export declare function subscribeMemberEventHints(account: string, sourceKey: string, listener: (eventId: string, occurredAt: number) => void): () => void;
export {};
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