octokit.net/Octokit/Models/Request/RepositoryPermissionRequest.cs

using Octokit.Internal;
using System.Diagnostics;
using System.Globalization;

namespace Octokit
{
    [DebuggerDisplay("{DebuggerDisplay,nq}")]
    public class RepositoryPermissionRequest
    {
        /// <summary>
        /// Used to add or update a team repository.
        /// </summary>
        public RepositoryPermissionRequest(Permission permission)
        {
            Permission = permission;
        }

        /// <summary>
        /// The permission to grant the team on this repository.
        /// </summary>        
        public Permission Permission { get; private set; }

        internal string DebuggerDisplay
        {
            get
            {
                return string.Format(CultureInfo.InvariantCulture, "Permission: {0}", Permission);
            }
        }
    }
}