function getFilesimport { getFiles } from "https://deno.land/x/aleph@1.0.0-alpha.20/lib/fs.ts"; getFiles(dir: string,filter?: (filename: string) => boolean,__path?: string[],): Promise<string[]>Parametersdir: stringoptionalfilter: (filename: string) => booleanoptional__path: string[] = [UNSUPPORTED]ReturnsPromise<string[]>