Inherit both class and instance methods from another module with a single include

module_inheritance.rb

module GraphQL
  module PunditIntegration
    module BaseIntegration
      def self.included(child)
        child.extend ClassMethods
      end

      module ClassMethods
        def policy_class

        end
      end

      def pundit_role
      end
    end

    module MutationIntegration
      def self.included(child)
        child.include GraphQL::PunditIntegration::BaseIntegration
        child.extend ClassMethods
      end

      module ClassMethods
      end
    end
  end
end

class MyClass
  include GraphQL::PunditIntegration::MutationIntegration
end