@NotNull
  protected static File createTempFile(@NonNls @NotNull String prefix, @NonNls @NotNull String extension) throws SvnBindException {
    try {
      return FileUtil.createTempFile(getSvnFolder(), prefix, extension);
    }
    catch (IOException e) {
      throw new SvnBindException(e);
    }
  }
@NotNull
  protected static File createTempFile(@NonNls @NotNull String prefix, @NonNls @NotNull String extension)