public void installBuiltinSound(String soundIdentifier,InputStream data) throws IOException {
  builtinSounds.put(soundIdentifier,convertBuiltinSound(data));
}

public void installBuiltinSound ( String soundIdentifier , InputStream data ) throws IOException { builtinSounds . put ( soundIdentifier , convertBuiltinSound ( data ) ) ; }
installs a replacement sound as the builtin sound responsible for the given sound identifier ( this will override the system sound if such a sound exists ) .
