/**
 * Performs an operation on large array of data in chunks.
 * @param data The data to be processed in chunks.
 * @param operation The operation to be performed on each chunk of data.
 * @param chunkSize The size of each chunk. Defaults to 5000.
 */
export declare function performInChunks<T>(data: T[], operation: (chunk: T[]) => Promise<void>, chunkSize?: number): Promise<void>;