@SuppressWarnings("deprecation") private static org.apache.kafka.common.security.auth.PrincipalBuilder createPrincipalBuilder( Class<?> principalBuilderClass, Map<String, ?> configs) { org.apache.kafka.common.security.auth.PrincipalBuilder principalBuilder; if (principalBuilderClass == null) principalBuilder = new org.apache.kafka.common.security.auth.DefaultPrincipalBuilder(); else principalBuilder = (org.apache.kafka.common.security.auth.PrincipalBuilder) Utils.newInstance(principalBuilderClass); principalBuilder.configure(configs); return principalBuilder; }