octokit.net/Octokit.Reactive/Clients/IObservableRepositoryContentsClient.cs

using System;

namespace Octokit.Reactive
{
    public interface IObservableRepositoryContentsClient
    {
        /// <summary>
        /// Returns the HTML rendered README.
        /// </summary>
        /// <param name="owner">The owner of the repository</param>
        /// <param name="name">The name of the repository</param>
        /// <returns></returns>
        IObservable<Readme> GetReadme(string owner, string name);

        /// <summary>
        /// Returns just the HTML portion of the README without the surrounding HTML document. 
        /// </summary>
        /// <param name="owner">The owner of the repository</param>
        /// <param name="name">The name of the repository</param>
        /// <returns></returns>
        IObservable<string> GetReadmeHtml(string owner, string name);
    }
}