/** One owner coalesces hints, visibility recovery and fallback reconciliation. */
export declare function startMessageMarkRefresh(options: {
    read(): Promise<void>;
    visible(): boolean;
    subscribe?(invalidate: () => void): () => void;
    onError(error: unknown): void;
    intervalMs?: number;
}): {
    request: (delay?: number) => void;
    dispose(): void;
};
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