private int Execute(CommandTree leaf, CommandTree tree, ILookup <string, string> remaining, ITypeResolver resolver)
{
// Create the command and the settings.
var settings = leaf.CreateSettings(resolver);
// Bind the command tree against the settings.
_binder.Bind(tree, ref settings, resolver);
// Execute the command.
var command = leaf.CreateCommand(resolver);
return(command.Execute(settings, remaining));
}
