export const FIRST_KEY_INDEX = 1; export function transformArguments(key: string, iterator: number): Array { return ['CF.SCANDUMP', key, iterator.toString()]; } type ScanDumpRawReply = [ iterator: number, chunk: string | null ]; interface ScanDumpReply { iterator: number; chunk: string | null; } export function transformReply([iterator, chunk]: ScanDumpRawReply): ScanDumpReply { return { iterator, chunk }; }