public CsvTupleSerializationSchema build() {
			return new CsvTupleSerializationSchema(
					typeInfo,
					csvSchema,
					updateMode);
		}
Creates a {@link CsvRowSerializationSchema} expecting the given {@link TypeInformation}.

@param typeInfo type information used to create schema.
kafka-base/kafka-base-sink/src/main/java/com/dtstack/flink/sql/sink/kafka/serialization/CsvTupleSerializationSchema.java