public ArgsParser(ParserConfiguration configuration)
 {
     this.configuration = configuration;
 }
 public ArgsParser(ParserConfiguration configuration)
 {
     this.configuration = configuration;
 }
 public ArgsParser()
 {
     configuration = ParserConfiguration.GetDefaultConfiguration();
 }
 public ArgsParser()
 {
     configuration = ParserConfiguration.GetDefaultConfiguration();
 }