# File lib/mocha/mockery.rb, line 128
    def on_stubbing(object, method)
      method = PRE_RUBY_V19 ? method.to_s : method.to_sym
      unless Mocha::Configuration.allow?(:stubbing_non_existent_method)
        unless object.method_exists?(method, true)
          on_stubbing_non_existent_method(object, method)
        end
      end
      unless Mocha::Configuration.allow?(:stubbing_non_public_method)
        if object.method_exists?(method, false)
          on_stubbing_non_public_method(object, method)
        end
      end
      unless Mocha::Configuration.allow?(:stubbing_method_on_nil)
        if object.nil?
          on_stubbing_method_on_nil(object, method)
        end
      end
      return if Mocha::Configuration.allow?(:stubbing_method_on_non_mock_object)
      on_stubbing_method_on_non_mock_object(object, method)
    end