# File lib/rabl/configuration.rb, line 59
    def initialize
      @include_json_root                            = true
      @include_child_root                           = true
      @include_msgpack_root                         = true
      @include_plist_root                           = true
      @include_xml_root                             = false
      @include_bson_root                            = true
      @enable_json_callbacks                        = false
      @bson_check_keys                              = false
      @bson_move_id                                 = false
      @json_engine                                  = nil
      @msgpack_engine                               = nil
      @bson_engine                                  = nil
      @plist_engine                                 = nil
      @xml_options                                  = {}
      @cache_sources                                = false
      @cache_all_output                             = false
      @escape_all_output                            = false
      @view_paths                                   = []
      @cache_engine                                 = Rabl::CacheEngine.new
      @perform_caching                              = false
      @use_read_multi                               = true
      @replace_nil_values_with_empty_strings        = false
      @replace_empty_string_values_with_nil_values  = false
      @exclude_nil_values                           = false
      @exclude_empty_values_in_collections          = false
      @camelize_keys                                = false
    end