# has 'required_methods' => (
# metaclass => 'Collection::Hash',
# reader => 'get_required_methods_map',
-# isa => 'HashRef[Str]',
+# isa => 'HashRef[Moose::Meta::Role::Method::Required]',
# provides => {
# # not exactly set, or delete since it works for multiple
# 'set' => 'add_required_methods',