anchor.diff:  import 'exceptions.dart';
   
   const String kAccessToken = 'access_token';
  -//TODO: (@kc3454) Think about changing the name for this variable since it isn't a URL.
  -const String kAuthorizeUrl = 'authorize_uri';
  +const String kAuthorize = 'authorize_uri';
   const String kCheckForUpdates = 'check_for_updates';
   const String kClientId = 'client_id';
   const String kClientSecret = 'client_secret';
  -const String kComment = 'comment';
  +const String kComment = 'comment_kind';
   const String kDefaultAccessToken =
       r'https://www.reddit.com/api/v1/access_token';
   const String kDefaultAuthorizeUrl = r'https://reddit.com/api/v1/authorize';
  
positive.code:         case kAccessToken:
            _accessToken = value ?? kDefaultAccessToken;
            break;
          case kAuthorizeUrl:
            _authorizeUrl = value ?? kDefaultAuthorizeUrl;
            break;
          case kRevokeToken:
  
negative.code:   String get authorizeUrl => _authorizeUrl;
    String get clientId => _clientId;
    String get clientSecret => _clientSecret;
    String get commentKind => _kind[kComment] ?? kCommentKind;
    String get httpProxy => _httpProxy;
    String get httpsProxy => _httpsProxy;
    String get messageKind => _kind[kMessage] ?? kMessage;
    String get oauthUrl => _oauthUrl;
    String get password => _password;
    String get redditUrl => _redditUrl;
    String get redditorKind => _kind[kRedditor] ?? kRedditor;
    String get redirectUrl => _redirectUrl;
    String get refreshToken => _refreshToken;
    String get revokeToken => _revokeToken;
    String get submissionKind => _kind[kSubmission] ?? kSubmissionKind;
    String get subredditKind => _kind[kSubreddit] ?? kSubredditKind;
    String get userAgent => _userAgent;
    String get username => _username;
  
  