private static DeserializationRuntimeConverter wrapIntoNullableConverter(
            DeserializationRuntimeConverter converter) {
        return new DeserializationRuntimeConverter() {

            private static final long serialVersionUID = 1L;

            @Override
            public Object convert(Object dbzObj, Schema schema) throws Exception {
                if (dbzObj == null) {
                    return null;
                }
                return converter.convert(dbzObj, schema);
            }
        };
    }
Returns a builder to build {@link RowDataDebeziumDeserializeSchema}.
inlong-sort/sort-flink/cdc-base/src/main/java/org/apache/inlong/sort/cdc/base/debezium/table/RowDataDebeziumDeserializeSchema.java