deprecate_constant

# File activesupport/lib/active_support/deprecation/constant_accessor.rb, line 42
          def deprecate_constant(const_name, new_constant, message: nil, deprecator: nil)
            ActiveSupport.deprecator.warn("DeprecatedConstantAccessor.deprecate_constant without a deprecator is deprecated") unless deprecator
            deprecator ||= ActiveSupport::Deprecation._instance
            class_variable_set(:@@_deprecated_constants, {}) unless class_variable_defined?(:@@_deprecated_constants)
            class_variable_get(:@@_deprecated_constants)[const_name.to_s] = { new: new_constant, message: message, deprecator: deprecator }
          end