var newValue = this.startDate.format(this.locale.format);
                if (!this.singleDatePicker) {
                    newValue += this.locale.separator + this.endDate.format(this.locale.format);
                }
                if (newValue !== this.element.val()) {
                    this.element.val(newValue).trigger('change');
                }
            }

  }

  @CanIgnoreReturnValue
  @Override
  public boolean replace(K key, @Nullable V oldValue, V newValue) {
    checkNotNull(key);
    checkNotNull(newValue);
    if (oldValue == null) {
      return false;
    }
    int hash = hash(key);
    return segmentFor(hash).replace(key, hash, oldValue, newValue);
  }

  @CanIgnoreReturnValue
  @Override
  public @Nullable V replace(K key, V value) {