static BufferedInputStream newBufferedInputStream(int bufSize, File f) {
  ret bufferedInputStream(bufSize, f);
}



static BufferedInputStream newBufferedInputStream(File f) {
  ret bufferedInputStream(f);
}



static BufferedInputStream newBufferedInputStream(InputStream in) {
  ret bufferedInputStream(in);
}



static BufferedInputStream newBufferedInputStream(int bufSize, InputStream in) {
  ret bufferedInputStream(bufSize, in);
}