public static void close(@CheckForNull OutputStream outputStream){
  if (outputStream == null) {
    return;
  }
  try {
    outputStream.close();
  }
 catch (  IOException e) {
  }
}

public static void close ( @ CheckForNull OutputStream outputStream ) { if ( outputStream == null ) { return ; } try { outputStream . close ( ) ; } catch ( IOException e ) { } }
close given outputstream , ignoring any resulting exception .
