default DescribeUserScramCredentialsResult describeUserScramCredentials() {
        return describeUserScramCredentials(null, new DescribeUserScramCredentialsOptions());
    }
Describe all SASL/SCRAM credentials.

<p>This is a convenience method for {@link #describeUserScramCredentials(List, DescribeUserScramCredentialsOptions)}

@return The DescribeUserScramCredentialsResult.
clients/src/main/java/org/apache/kafka/clients/admin/Admin.java