/// <summary>
 /// Sends a verbose message.
 /// </summary>
 /// <param name="sourceLineNumbers">Source line numbers.</param>
 /// <param name="verboseLevel">Level of the verbose message.</param>
 /// <param name="verboseMessage">Verbose message string.</param>
 public void OnExtensionVerbose(SourceLineNumberCollection sourceLineNumbers, VerboseLevel verboseLevel, string verboseMessage)
 {
     this.OnMessage(WixVerboses.CompilerExtensionVerbose(sourceLineNumbers, verboseLevel, verboseMessage));
 }