backend=

# File activesupport/lib/active_support/json/decoding.rb, line 20
      def backend=(name)
        if name.is_a?(Module)
          @backend = name
        else
          require "active_support/json/backends/#{name.to_s.downcase}.rb"
          @backend = ActiveSupport::JSON::Backends::const_get(name)
        end
        @parse_error = @backend::ParseError
      end