/// <summary>
    ///   <para>Type of text to display on the button.</para>
    /// </summary>
    /// <param name="widget">Widget to call method on.</param>
    /// <param name="verb">Displayed button's verb.</param>
    /// <returns>Reference to provided <paramref name="widget"/>.</returns>
    /// <exception cref="ArgumentNullException">If <paramref name="widget"/> is a <c>null</c> reference.</exception>
    /// <seealso cref="IVkontakteLikeButtonWidget.Verb(byte)"/>
    public static IVkontakteLikeButtonWidget Verb(this IVkontakteLikeButtonWidget widget, VkontakteLikeButtonVerb verb)
    {
      Assertion.NotNull(widget);

      return widget.Verb((byte)verb);
    }
        /// <summary>
        ///   <para>Type of text to display on the button.</para>
        /// </summary>
        /// <param name="widget">Widget to call method on.</param>
        /// <param name="verb">Displayed button's verb.</param>
        /// <returns>Reference to provided <paramref name="widget"/>.</returns>
        /// <exception cref="ArgumentNullException">If <paramref name="widget"/> is a <c>null</c> reference.</exception>
        /// <seealso cref="IVkontakteLikeButtonWidget.Verb(byte)"/>
        public static IVkontakteLikeButtonWidget Verb(this IVkontakteLikeButtonWidget widget, VkontakteLikeButtonVerb verb)
        {
            Assertion.NotNull(widget);

            return(widget.Verb((byte)verb));
        }