public String signString(String stringToSign, AlibabaCloudCredentials credentials) {return signString(stringToSign, credentials.getAccessKeySecret());}

public String signString ( String stringToSign , AlibabaCloudCredentials credentials ) { return signString ( stringToSign , credentials . getAccessKeySecret ( ) ) ; }
public override string SignString(string stringToSign, AlibabaCloudCredentials credentials){return SignString(stringToSign, credentials.GetAccessKeySecret());}
