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export interface Backoff {  /**   * Returns the next backoff interval in milliseconds   */  (attempts: number): number;}
export interface ExponentialBackoffOptions {  /**   * @default 2   */  multiplier: number;  /**   * The maximum backoff interval in milliseconds   * @default 5000   */  maxInterval: number;  /**   * The minimum backoff interval in milliseconds   * @default 500   */  minInterval: number;}
export function exponentialBackoff({  multiplier = 2,  maxInterval = 5000,  minInterval = 500,}: Partial<ExponentialBackoffOptions> = {}): Backoff {  return (attempts) =>    Math.min(maxInterval, minInterval * (multiplier ** (attempts - 1)));}