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// TODO(arv): Remove workaround once docs/ builds cleanly without this.declare function requestIdleCallback(  callback: () => void,  options?: {timeout?: number},): number;
/** * A Promise wrapper for requestIdleCallback with fallback to setTimeout for * browsers without support (aka Safari) */export function requestIdle(timeout: number): Promise<void> {  return new Promise(resolve => {    if (typeof requestIdleCallback === 'function') {      requestIdleCallback(() => resolve(), {timeout});    } else {      setTimeout(() => resolve(), timeout);    }  });}