text: /*
   * Copyright (C) 2017 Twitter, Inc.
   *
   * Licensed under the Apache License, Version 2.0 (the "License");
   * you may not use this file except in compliance with the License.
   * You may obtain a copy of the License at
   *
   *      http://www.apache.org/licenses/LICENSE-2.0
   *
   * Unless required by applicable law or agreed to in writing, software
   * distributed under the License is distributed on an "AS IS" BASIS,
   * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
   * See the License for the specific language governing permissions and
   * limitations under the License.
   *
   */
  
  #import <Foundation/Foundation.h>
  
  NS_ASSUME_NONNULL_BEGIN
  
  /**
   * The NSError domain of errors surfaced by the Twitter SDK.
   */
  FOUNDATION_EXTERN NSString *const TWTRErrorDomain;
  
  /**
   *  Error codes surfaced by the Twitter SDK.
   */
  typedef NS_ENUM(NSInteger, TWTRErrorCode) {
  
      /**
       *  Unknown error.
       */
      TWTRErrorCodeUnknown = -1,
  
      /**
       *  Authentication has not been set up yet. You must call -[TWTRTwitter logInWithCompletion:] or -[TWTRTwitter logInGuestWithCompletion:]
       */
      TWTRErrorCodeNoAuthentication = 0,
  
      /**
       *  Twitter has not been initialized yet. Call +[Fabric with:@[TwitterKit]] or -[TWTRTwitter startWithConsumerKey:consumerSecret:].
       */
      TWTRErrorCodeNotInitialized = 1,
  
      /**
       *  User has declined to grant permission to information such as their email address.
       */
      TWTRErrorCodeUserDeclinedPermission = 2,
  
      /**
       *  User has granted permission to their email address but no address is associated with their account.
       */
      TWTRErrorCodeUserHasNoEmailAddress = 3,
  
      /**
       *  A resource has been requested by ID, but that ID was not found.
       */
      TWTRErrorCodeInvalidResourceID = 4,
  
      /**
       *  A request has been issued for an invalid URL.
       */
      TWTRErrorCodeInvalidURL = 5,
  
      /**
       *  Type mismatch in parsing JSON from the Twitter API.
       */
      TWTRErrorCodeMismatchedJSONType = 6,
  
      /**
       *  Fail to save to keychain.
       */
      TWTRErrorCodeKeychainSerializationFailure = 7,
  
      /**
       *  Fail to save to disk.
       */
      TWTRErrorCodeDiskSerializationError = 8,
  
      /**
       *  Error authenticating with the webview.
       */
      TWTRErrorCodeWebViewError = 9,
  
      /**
       *  A required parameter is missing.
       */
      TWTRErrorCodeMissingParameter = 10
  };
  
  /**
   *  The NSError domain of errors surfaced by the Twitter SDK during the login operation.
   */
  FOUNDATION_EXTERN NSString *const TWTRLogInErrorDomain;
  
  /**
   *  Error codes surfaced by the Twitter SDK with the `TWTRLogInErrorDomain` error domain.
   */
  typedef NS_ENUM(NSInteger, TWTRLogInErrorCode) {
  
      /**
       * Unknown error.
       */
      TWTRLogInErrorCodeUnknown = -1,
  
      /**
       * User denied login.
       */
      TWTRLogInErrorCodeDenied = 0,
  
      /**
       * User canceled login.
       */
      TWTRLogInErrorCodeCancelled = 1,
  
      /**
       * No Twitter account found.
       */
      TWTRLogInErrorCodeNoAccounts = 2,
  
      /**
       * Reverse auth with linked account failed.
       */
      TWTRLogInErrorCodeReverseAuthFailed = 3,
  
      /**
       *  Refreshing session tokens failed.
       */
      TWTRLogInErrorCodeCannotRefreshSession = 4,
  
      /**
       *  No such session or session is not tracked
       *  in the associated session store.
       */
      TWTRLogInErrorCodeSessionNotFound = 5,
  
      /**
       * The login request failed.
       */
      TWTRLogInErrorCodeFailed = 6,
  
      /**
       * The system account credentials are no longer valid and the
       * user will need to update their credentials in the Settings app.
       */
      TWTRLogInErrorCodeSystemAccountCredentialsInvalid = 7,
  
      /**
       *  There was no Twitter iOS app installed to attemp
       *  the Mobile SSO flow.
       */
      TWTRLoginErrorNoTwitterApp = 8,
  };
  
  NS_ASSUME_NONNULL_END
  