method ZipDirectoryEntry.prototype.addFileSystemHandleimport { ZipDirectoryEntry } from "https://dotland.deno.dev/x/zipjs@v2.7.53/index.d.ts"; addFileSystemHandle(fileSystemHandle: FileSystemHandleLike, options?: ZipWriterAddDataOptions): Promise<ZipEntry[]>Adds an entry with content provided via a FileSystemHandle instance Adds an entry with content provided via a FileSystemHandle instance ParametersfileSystemHandle: FileSystemHandleLikeThe fileSystemHandle instance. optionaloptions: ZipWriterAddDataOptionsThe options. ReturnsPromise<ZipEntry[]>A promise resolving to an array of ZipFileEntry or a ZipDirectoryEntry instances.