text: /*
   * Copyright 2017 Google
   *
   * 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>
  
  @class FIRAuthCredential;
  
  NS_ASSUME_NONNULL_BEGIN
  
  /**
      @brief A string constant identifying the GitHub identity provider.
   */
  extern NSString *const FIRGitHubAuthProviderID NS_SWIFT_NAME(GitHubAuthProviderID);
  
  /**
      @brief A string constant identifying the GitHub sign-in method.
   */
  extern NSString *const _Nonnull FIRGitHubAuthSignInMethod NS_SWIFT_NAME(GitHubAuthSignInMethod);
  
  
  /** @class FIRGitHubAuthProvider
      @brief Utility class for constructing GitHub credentials.
   */
  NS_SWIFT_NAME(GitHubAuthProvider)
  @interface FIRGitHubAuthProvider : NSObject
  
  /** @fn credentialWithToken:
      @brief Creates an `FIRAuthCredential` for a GitHub sign in.
  
      @param token The GitHub OAuth access token.
      @return A FIRAuthCredential containing the GitHub credential.
   */
  + (FIRAuthCredential *)credentialWithToken:(NSString *)token;
  
  /** @fn init
      @brief This class is not meant to be initialized.
   */
  - (instancetype)init NS_UNAVAILABLE;
  
  @end
  
  NS_ASSUME_NONNULL_END
  