docs: function (hashObject) {
              var prop, re = this._nonEncodableSepRegExp;
              for (var key in hashObject) {
                  if (hashObject.hasOwnProperty(key)) {
                      if (re && key.match(re)) {
                          this.$logError(this.INVALID_HASHOBJECT_KEY, [key, this._nonEncodableSeparators.join("")]);
                          return false;
                      } else {
                          prop = hashObject[key];
                          if (this._typeUtil.isString(prop)) {
                              if (re && prop.match(re)) {
                                  this.$logError(this.INVALID_HASHOBJECT_VALUE, [prop, key,
                                          this._nonEncodableSeparators.join("")]);
                                  return false;
                              }
                          } else {
                              this.$logError(this.INVALID_HASHOBJECT_TYPE, key);
                              return false;
                          }
                      }
                  }
              }
              return true;
          }