# File lib/rgen/model_builder/builder_context.rb, line 51
    def resolveCommand(cmd, parentPackage)
      return @resolveCommand[[parentPackage, cmd]] if @resolveCommand.has_key?([parentPackage, cmd])
      package = @packageResolver.packageByCommand(parentPackage, cmd)
      result = nil
            if package
            extensionContainer = @extensionFactory.extensionContainer(package)
            if extensionContainer.respond_to?(cmd)
          result = extensionContainer
        else
            className = cmd.to_s[0..0].upcase + cmd.to_s[1..-1]
            result = package.eClasses.find{|c| c.name == className}
        end
      end
      @resolveCommand[[parentPackage, cmd]] = [package, result]
          end