public CredentialsBackupCompatibilityAdaptor(AlibabaCloudCredentialsProvider provider) {this.provider = provider;}

public CredentialsBackupCompatibilityAdaptor ( AlibabaCloudCredentialsProvider provider ) { this . provider = provider ; }
public CredentialsBackupCompatibilityAdaptor(AlibabaCloudCredentialsProvider provider){this.provider = provider;}
