/**
 * Promisify setTimeout
 * @param millis the millis to sleep
 */
export declare const sleep: (millis: number) => Promise<void>;
/**
 * Function debouncer
 */
type DF = (this: ThisParameterType<void>, ...args: any[]) => void;
export declare const debounce: (func: DF, delay: number) => DF;
/**
 * Function throttler
 */
export declare const throttle: <T extends (...args: unknown[]) => ReturnType<T>>(func: T, delay: number) => ((this: ThisParameterType<T>, ...args: Parameters<T>) => void);
export {};
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