@param outputStream
	 *            prcess stdout is written to this stream. Cannot be <code>null</code>.
	 * @param errorStream
	 *            prcess stderr is written to this stream. Cannot be <code>null</code>.
@param outputStream
	 *            prcess stdout is written to this stream. Cannot be <code>null</code>.
	 * @param errorStream
	 *            prcess stderr is written to this stream. Cannot be <code>null</code>. | ProcessClosure.java