Error in spring data cassandra library

Question

In the CassandraSimpleTypeHolder file:

import com.datastax.driver.core.DataType; ... DataType dataType; Class javaClass = dataType.asJavaClass();

public abstract class DataType does not contain the asJavaClass() method. Here is a link to the class file, although it is in the documentation.

Versions of the sprint data cassandra 1.4.3 and cassandra driver core 3.1.0 libraries

not "it is in the documentation", but "is in the version 1.0 documentation", i.e.
And how to create a CassandraTemplate class if the asJavaClass () method is not in the DataType class.

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