I am writing Flink applications in Java and I need to do data type conversions between SQL/Table `DataType` and `TypeInformation`. According to Flink's documentation, type mapping methods in TypeConversions <https://github.com/apache/flink/blob/master/flink-table/flink-table-common/src/main/java/org/apache/flink/table/types/utils/TypeConversions.java> class are all deprecated; However it is not clear how a developer should perform such a mapping correctly, given that there is no straightforward data type mapping between DataType/Logical types (instances of DataTypes class <https://github.com/apache/flink/blob/master/flink-table/flink-table-common/src/main/java/org/apache/flink/table/api/DataTypes.java>) and `TypeInformation` (instances of Types class <https://github.com/apache/flink/blob/master/flink-core/src/main/java/org/apache/flink/api/common/typeinfo/Types.java>). Any suggestions/clarifications?
