code: @Override
    public BatchCredentials getCredentials() {
  
      final TokenCredentials tokenCredentials = new TokenCredentials(null, System.getenv(AZ_BATCH_AUTH_TOKEN_ENV));
  
      return new BatchCredentials() {
        @Override
        public String baseUrl() {
          return azureBatchAccountUri;
        }
  
        @Override
        public void applyCredentialsFilter(final OkHttpClient.Builder builder) {
          tokenCredentials.applyCredentialsFilter(builder);
        }
      };
    }
docs: Returns credentials for Azure Batch account.
  @return an implementation of {@link BatchCredentials} which is based on the token provided by Azure Batch.