export declare function once<T extends (...args: any[]) => unknown>(func: T): (...args: Parameters<T>) => unknown;
export declare function debounce<T extends (...args: any[]) => void>(func: T, delay: number, mustRunDelay?: number): (...args: Parameters<T>) => void;
export declare function waitForVideosToLoad(delayMs: number, onLoaded: () => void): void;
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