return nil
		}
		data, err := os.ReadFile(path)
		if err != nil {
			log.Fatal(err)
		}
		if strings.HasSuffix(path, ".zip") {
			log.Fatalf("unexpected file during walk: %s", path)
		}
		name := filepath.ToSlash(path)
		w, err := zw.CreateRaw(&zip.FileHeader{
			Name:               name,
			Method:             zip.Store,
			CompressedSize64:   uint64(len(data)),
			UncompressedSize64: uint64(len(data)),

}

func sourceDir(file string) string {
	dir := filepath.Dir(file)
	dir = filepath.Dir(dir)

	s := filepath.Dir(dir)
	if filepath.Base(s) != "gorm.io" {
		s = dir
	}
	return filepath.ToSlash(s) + "/"
}

// FileWithLineNum return the file name and line number of the current file
func FileWithLineNum() string {
	pcs := [13]uintptr{}
	// the third caller usually from gorm internal

}

func trimTrace(f string) string {
	for _, trimString := range trimStrings {
		f = strings.TrimPrefix(filepath.ToSlash(f), filepath.ToSlash(trimString))
	}
	return filepath.FromSlash(f)
}

func getSource(level int) string {
	pc, file, lineNumber, ok := runtime.Caller(level)
	if ok {
		// Clean up the common prefixes

		// path cannot be greater than Linux PATH_MAX
		// this is to avoid a busy loop, that can happen
		// if the caller sends path of following style
		// a/a/a/a/a/a/a/a...
		return true
	}
	path = filepath.ToSlash(strings.TrimSpace(path)) // For windows '\' must be converted to '/'
	for _, p := range strings.Split(path, SlashSeparator) {
		switch strings.TrimSpace(p) {
		case dotdotComponent:
			return true
		case dotComponent:

		return
	}
	file := r.Form.Get("file")
	if len(file) == 0 {
		writeErrorResponseJSON(ctx, w, errorCodes.ToAPIErr(ErrInvalidRequest), r.URL)
		return
	}

	file = filepath.ToSlash(file)
	// Reject attempts to traverse parent or absolute paths.
	if hasBadPathComponent(volume) || hasBadPathComponent(file) {
		writeErrorResponse(r.Context(), w, errorCodes.ToAPIErr(ErrInvalidResourceName), r.URL)

				}
			}
			return stat, errPathNotFound
		}
		name, err := filepath.Rel(volumeDir, filePath)
		if err != nil {
			name = filePath
		}
		stat = append(stat, StatInfo{
			Name:    filepath.ToSlash(name),
			Size:    st.Size(),
			Dir:     st.IsDir(),
			Mode:    uint32(st.Mode()),
			ModTime: st.ModTime(),
		})
	}
	return stat, nil
}

     * 代入可能かどうかを返します。
     *
     * @param toClass
     *            代入先のクラス。{@literal null}であってはいけません
     * @param fromClass
     *            代入元のクラス。{@literal null}であってはいけません
     * @return 代入可能かどうか
     * @see Class#isAssignableFrom(Class)
     */
    public static boolean isAssignableFrom(final Class<?> toClass, Class<?> fromClass) {
        assertArgumentNotNull("toClass", toClass);