/// <summary>
        /// Deletes the specified Commit Comment
        /// </summary>
        /// <param name="owner">The owner of the repository</param>
        /// <param name="name">The name of the repository</param>
        /// <param name="number">The comment id</param>
        /// <remarks>http://developer.github.com/v3/repos/comments/#delete-a-commit-comment</remarks>
        public IObservable <Unit> Delete(string owner, string name, int number)
        {
            Ensure.ArgumentNotNullOrEmptyString(owner, "owner");
            Ensure.ArgumentNotNullOrEmptyString(name, "name");

            return(_client.Delete(owner, name, number).ToObservable());
        }