private static RuntimeConverter[] createFieldRuntimeConverters(TypeInformation<?>[] fieldTypes) {
		final RuntimeConverter[] fieldConverters = new RuntimeConverter[fieldTypes.length];
		for (int i = 0; i < fieldTypes.length; i++) {
			fieldConverters[i] = createNullableRuntimeConverter(fieldTypes[i]);
		}
		return fieldConverters;
	}
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