@Override
    public void validate(DescriptorProperties properties) {
        super.validate(properties);

        // Validates that the connector type is kudu.
        properties.validateValue(CONNECTOR_TYPE, CONNECTOR_TYPE_VALUE_KUDU, false);
        properties.validateString(CONNECTOR_TABLE, false);
        properties.validateString(CONNECTOR_MASTERS, false);
    }
The prefix of kudu properties (optional).
inlong-sort/sort-flink/sort-flink-v1.13/sort-connectors/kudu/src/main/java/org/apache/inlong/sort/kudu/common/KuduValidator.java