use Devel::Symdump;
use CGI;
my $obj = Devel::Symdump->new('CGI');
$obj->as_string

##</code><code>##

arrays
	CGI::ISA
	CGI::QUERY_PARAM
functions
	CGI::AUTOLOAD
	CGI::DESTROY
	CGI::XHTML_DTD
	CGI::_checked
	(...)
	CGI::to_filehandle
	CGI::unescape
hashes
	CGI::EXPORT
	CGI::EXPORT_OK
	CGI::EXPORT_TAGS
	CGI::QUERY_FIELDNAMES
	CGI::QUERY_PARAM
ios
	
packages
	CGI::Util
scalars
	CGI::AUTOLOAD
	CGI::AUTOLOADED_ROUTINES
	CGI::AUTOLOAD_DEBUG
	CGI::AutoloadClass
	CGI::BEEN_THERE
	CGI::BEGIN
	CGI::CGI
	(...)
	CGI::to_filehandle
	CGI::unescape
unknowns