public static void write(final GPX gpx, final OutputStream output)
		throws IOException
	{
		writer().write(gpx, output);
	}
public static void write ( final GPX gpx , final OutputStream output ) throws IOException { writer ( ) . write ( gpx , output ) ; }
Writes the given {@code gpx} object (in GPX XML format) to the given
{@code output} stream.

@param gpx the GPX object to write to the output
@param output the output stream where the GPX object is written to
@throws IOException if the writing of the GPX object fails
@throws NullPointerException if one of the given arguments is {@code null}