/**
 * Simple mutex implementation for preventing race conditions
 */
export declare class Mutex {
    private locked;
    private queue;
    runExclusive<T>(fn: () => Promise<T>): Promise<T>;
    private acquire;
    private release;
    isLocked(): boolean;
}
export declare class Debouncer {
    private timeouts;
    debounce<T extends (...args: any[]) => Promise<void>>(fn: T, delay: number): (...args: Parameters<T>) => void;
}
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