const enosys = () => {
		const err = new Error("not implemented");
		err.code = "ENOSYS";
		return err;
	};

	if (!globalThis.fs) {
		let outputBuf = "";
		globalThis.fs = {
			constants: { O_WRONLY: -1, O_RDWR: -1, O_CREAT: -1, O_TRUNC: -1, O_APPEND: -1, O_EXCL: -1, O_DIRECTORY: -1 }, // unused
			writeSync(fd, buf) {
				outputBuf += decoder.decode(buf);
				const nl = outputBuf.lastIndexOf("\n");
				if (nl != -1) {

        try (SmbTreeHandleImpl th = ensureTreeConnected()) {

            if (th.isSMB2()) {
                withOpen(th, Smb2CreateRequest.FILE_OPEN_IF, O_RDWR, 0, null);
            } else {
                try (SmbFileHandle fd = openUnshared(O_RDWR | O_CREAT | O_EXCL, O_RDWR, FILE_NO_SHARE, ATTR_NORMAL, 0)) {
                    // close explicitly
                    fd.close(0L);
                }
            }

 *
 * @see       java.io.File
 */

public class SmbFile extends URLConnection implements SmbConstants {

    static final int O_RDONLY = 0x01;
    static final int O_WRONLY = 0x02;
    static final int O_RDWR = 0x03;
    static final int O_APPEND = 0x04;

    // Open Function Encoding
    // create if the file does not exist
    static final int O_CREAT = 0x0010;
    // fail if the file exists

pkg os, const ModeTemporary FileMode
pkg os, const ModeType FileMode
pkg os, const O_APPEND int
pkg os, const O_CREATE int
pkg os, const O_EXCL int
pkg os, const O_RDONLY int
pkg os, const O_RDWR int
pkg os, const O_SYNC int
pkg os, const O_TRUNC int
pkg os, const O_WRONLY int
pkg os, const PathListSeparator ideal-char
pkg os, const PathSeparator ideal-char
pkg os, const SEEK_CUR int

pkg os, const ModeSticky = 1048576
pkg os, const ModeSymlink = 134217728
pkg os, const ModeTemporary = 268435456
pkg os, const ModeType = 2399141888
pkg os, const O_RDONLY = 0
pkg os, const O_RDWR = 2
pkg os, const O_WRONLY = 1
pkg os, const SEEK_CUR = 1
pkg os, const SEEK_END = 2
pkg os, const SEEK_SET = 0
pkg os, method (FileMode) IsRegular() bool
pkg os/signal, func Stop(chan<- os.Signal)