export interface SessionWriteLock {
    release: () => Promise<void>;
    [Symbol.asyncDispose]: () => Promise<void>;
}
export declare function acquireSessionWriteLock(params: {
    sessionFile: string;
    timeoutMs?: number;
    /**
     * Retained for API compatibility. Lock age alone cannot safely prove that a
     * live owner is stale without a lease heartbeat, so only dead owners are reclaimed.
     */
    staleMs?: number;
}): Promise<SessionWriteLock>;
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