default Optional<String> javaSqlTypeName() {
        return lookupJavaSqlType(getJavaSqlTypeInt());
    }
Looks up and returns the given int and returns the name of that int
according to {@link java.sql.Types}. If no value can be found,
Optional.empty() is returned.

@param javaSqlTypeInt the value in java.sql.Types to lookup
@return the given int and returns the name of that int according to
{@link java.sql.Types}
runtime-parent/runtime-core/src/main/java/com/speedment/runtime/core/db/metadata/TypeInfoMetaData.java