@Override
  public void write(int b) throws IOException {
    Set<OutputStream> outputStreams = streams;
    for (OutputStream out : outputStreams) {
      out.write(b);
    }
  }
Writes the specified <code>byte</code> to this output stream.
<p>
The <code>write</code> method of <code>FilterOutputStream</code> calls the <code>write</code>
method of its underlying output stream, that is, it performs <tt>out.write(b)</tt>.
<p>
Implements the abstract <tt>write</tt> method of <tt>OutputStream</tt>.

@param b the <code>byte</code>.
@exception IOException if an I/O error occurs.
geode-core/src/main/java/org/apache/geode/internal/io/CompositeOutputStream.java