Add Moose package

CPAN/Moose/Exception/Role/Class.pm

@@ -0,0 +1,14 @@
+package Moose::Exception::Role::Class;
+our $VERSION = '2.2207';
+
+use Moose::Role;
+
+has 'class_name' => (
+    is            => 'ro',
+    isa           => 'Str',
+    required      => 1,
+    documentation => "This attribute can be used for fetching metaclass instance:\n".
+                     "    my \$metaclass_instance = Moose::Util::find_meta( \$exception->class_name );\n",
+);
+
+1;