NAME
MOP4Import::PSGIEnv - define Env class for PSGI, with extensions.
SYNOPSIS
use MOP4Import::PSGIEnv qw/mypsgi.extension/;
return sub {
  (my Env $env) = @_;
  return [200, [], ["PATH_INFO is ", $env->{PATH_INFO}
                  , extension => $env->{'mypsgi.extension'}
                ]];
}
DESCRIPTION
MOP4Import::PSGIEnv is yet another protocol implementation of MOP4Import family.
This module simply defines Env class. Standard PSGI $env is already defined.