nverter to an element collection of basic type
 

 <p>Example 5: Apply a converter to an element collection that is a map
               of basic values. The converter is applied to the map value.
 

 <p>Example 6: Apply a converter to a map key of basic type
 

 <p>Example 7: Apply a converter to an embeddable attribute
 

 <p>Example 8:  Apply a converter to a nested embeddable attribute
 

 <p>Example 9: Apply a converter to a nested attribute of an embeddable
               that is a map key of an eleme