docs: function (callback) {
                  var originalSuggestions = this._suggestions;
                  var nbSuggestions = originalSuggestions.length;
                  var returnedSuggestions = [];
                  var suggestion;
                  for (var index = 0; index < nbSuggestions; index++) {
                      suggestion = originalSuggestions[index];
                      returnedSuggestions.push(suggestion.original);
                  }
                  this.$callback(callback, returnedSuggestions);
              }