module T::Private::Sealed::NoIncludeExtend

def extended(child)
  super
  caller_loc = T::Private::CallerUtils.find_caller {|loc| loc.base_label != 'extended'}
  T::Private::Sealed.validate_inheritance(caller_loc, self, child, 'extended')
  @sorbet_sealed_module_all_subclasses << child
end

def included(child)
  super
  caller_loc = T::Private::CallerUtils.find_caller {|loc| loc.base_label != 'included'}
  T::Private::Sealed.validate_inheritance(caller_loc, self, child, 'included')
  @sorbet_sealed_module_all_subclasses << child
end

def sealed_subclasses
  # this will freeze the set so that you can never get into a
  # state where you use the subclasses list and then something
  # else will add to it
  @sorbet_sealed_module_all_subclasses_set ||= # rubocop:disable Naming/MemoizedInstanceVariableName
    begin
      require 'set'
      Set.new(@sorbet_sealed_module_all_subclasses).freeze
    end
end