generate_method

# File activerecord/lib/active_record/relation/delegation.rb, line 59
      def generate_method(method)
        synchronize do
          return if method_defined?(method)

          if /\A[a-zA-Z_]\w*[!?]?\z/.match?(method) && !DELEGATION_RESERVED_METHOD_NAMES.include?(method.to_s)
            definition = RUBY_VERSION >= "2.7" ? "..." : "*args, &block"
            module_eval               def #{method}(#{definition})                scoping { klass.#{method}(#{definition}) }              end, __FILE__, __LINE__ + 1
          else
            define_method(method) do |*args, &block|
              scoping { klass.public_send(method, *args, &block) }
            end
            ruby2_keywords(method) if respond_to?(:ruby2_keywords, true)
          end
        end
      end