removes all contacts from the storage . concode_field_sep AtomicLong contactCounter concode_elem_sep Map<Long,ContactCard> contacts concode_field_sep ContactCard get concode_elem_sep List<ContactCard> findByPhone concode_elem_sep List<ContactCard> findByName concode_elem_sep ContactCard addContact concode_elem_sep List<ContactCard> findByEmail concode_elem_sep ContactCard remove
List < ContactCard > function ( ) { final Collection < ContactCard > loc0 = contacts . loc0 ( ) ; contacts . clear ( ) ; return new ArrayList < ContactCard > ( loc0 ) ; }