code: public Object getOptionValue( String name )
      {
          if (!hasOptionValue( name )) throw new IllegalArgumentException( "Don't know option: " + name );
          return getOptionValues().get( name );
      }
docs: <p>getOptionValue.</p>
  
  @param name a {@link java.lang.String} object.
  @return a {@link java.lang.Object} object.