export async function batchProcess<T>(  array: T[],  batchSize: number,  asyncFunction: (item: T, index: number) => Promise<void>,): Promise<void> {  const batches: T[][] = [];  for (let i = 0; i < array.length; i += batchSize) {    const batch = array.slice(i, i + batchSize);    batches.push(batch);  }   for (const batch of batches) {    await Promise.all(batch.map((item, i) => asyncFunction(item, i)));  }}