@Override
    public String toString() {
        return "ScramCredentialData" +
            "(salt=" + "[hidden]" +
            ", storedKey=" + "[hidden]" +
            ", serverKey=" + "[hidden]" +
            ", iterations=" + "[hidden]" +
            ")";
    }
Represents the ACLs in the metadata image.

This class is thread-safe.
metadata/src/main/java/org/apache/kafka/metadata/ScramCredentialData.java