* <p>
* @return All cell phone numbers
*/
- List<? extends DialableCellphoneNumber> allCellphoneNumbers ();
+ List<DialableCellphoneNumber> allCellphoneNumbers ();
/**
* Returns a list of all land-line numbers
* <p>
* @return All land-line numbers
*/
- List<? extends DialableLandLineNumber> allLandLineNumbers ();
+ List<DialableLandLineNumber> allLandLineNumbers ();
/**
* Returns a list of all fax numbers
* <p>
* @return All fax numbers
*/
- List<? extends DialableFaxNumber> allFaxNumbers ();
+ List<DialableFaxNumber> allFaxNumbers ();
}