internal static CommandLineAction Create(MethodInfo actionMethod, List <string> knownAliases)
        {
            var ret = PropertyInitializer.CreateInstance <CommandLineAction>();

            ret.ActionMethod = actionMethod;

            ret.Source = actionMethod;
            ret.Aliases.Add(actionMethod.Name);

            ret.Metadata.AddRange(actionMethod.Attrs <IArgMetadata>().AssertAreAllInstanceOf <ICommandLineActionMetadata>());

            ret.IgnoreCase = true;

            if (actionMethod.DeclaringType.HasAttr <ArgIgnoreCase>() && actionMethod.DeclaringType.Attr <ArgIgnoreCase>().IgnoreCase == false)
            {
                ret.IgnoreCase = false;
            }

            if (actionMethod.HasAttr <ArgIgnoreCase>() && actionMethod.Attr <ArgIgnoreCase>().IgnoreCase == false)
            {
                ret.IgnoreCase = false;
            }

            var directPipelineTarget = (from p in actionMethod.GetParameters() where p.HasAttr <ArgPipelineTarget>() select p).SingleOrDefault();

            if (directPipelineTarget != null)
            {
                if (directPipelineTarget.Attr <ArgPipelineTarget>().PipelineOnly == false && ArgRevivers.CanRevive(directPipelineTarget.ParameterType) == false)
                {
                    throw new InvalidArgDefinitionException("Method " + actionMethod.DeclaringType.FullName + "." + actionMethod.Name + " has parameter " + directPipelineTarget.Name + " of type " + directPipelineTarget.ParameterType.FullName + " which has set PipelineOnly to false, but has no reviver");
                }

                ret.Arguments.AddRange(actionMethod.GetParameters().Where(p => CommandLineArgument.IsArgument(p)).Select(p => CommandLineArgument.Create(p)));
                foreach (var arg in (ret.Arguments).Where(a => a.Position >= 0))
                {
                    arg.Position++; // Since position 0 is reserved for the action specifier
                }
            }
            else
            {
                if (actionMethod.GetParameters().Length == 1 && ArgRevivers.CanRevive(actionMethod.GetParameters()[0].ParameterType) == false)
                {
                    ret.Arguments.AddRange(actionMethod.GetParameters()[0].ParameterType.GetProperties(BindingFlags.Public | BindingFlags.Instance).Where(p => CommandLineArgument.IsArgument(p)).Select(p => CommandLineArgument.Create(p, knownAliases)));
                }
                else if (actionMethod.GetParameters().Length > 0 && actionMethod.GetParameters().Where(p => ArgRevivers.CanRevive(p.ParameterType) == false).Count() == 0)
                {
                    ret.Arguments.AddRange(actionMethod.GetParameters().Where(p => CommandLineArgument.IsArgument(p)).Select(p => CommandLineArgument.Create(p)));
                    foreach (var arg in (ret.Arguments).Where(a => a.Position >= 0))
                    {
                        arg.Position++; // Since position 0 is reserved for the action specifier
                    }
                }
                else if (actionMethod.GetParameters().Length > 0)
                {
                    throw new InvalidArgDefinitionException("Your action method contains a parameter that cannot be revived on its own.  That is only valid if the non-revivable parameter is the only parameter.  In that case, the properties of that parameter type will be used.");
                }
            }
            return(ret);
        }