$res = $cb->(POST('/v2test/?q=m:a-mid@b&x=m'));
$in = $res->content;
$status = IO::Uncompress::Gunzip::gunzip(\$in => \$out);
$res = $cb->(POST('/v2test/?q=m:a-mid@b&x=m'));
$in = $res->content;
$status = IO::Uncompress::Gunzip::gunzip(\$in => \$out);