[/var/tmp/.cpan/build/Apache-Session-1.53] $ find -type f | xargs tcgrep -e '^use [A-Z](?!.*Session)' * |perl -pe's/[^:]+://' | sort | uniq
use Apache;
use Benchmark;
use CGI;
use Config;
use DB_File;
use DBI;
use ExtUtils::MakeMaker;
use Fcntl;
use Fcntl qw(:flock);
use GDBM_File;
use IPC::Semaphore;
use IPC::SysV qw(IPC_CREAT S_IRWXU SEM_UNDO);
use MD5;
use MIME::Base64;
use Storable qw(nfreeze thaw);
use Symbol;