question: tests the existence of a particular principal on a specific host concode_field_sep Provider<EntityManager> entityManagerProvider concode_field_sep void removeByHost concode_elem_sep void removeByPrincipal concode_elem_sep KerberosPrincipalHostEntity find concode_elem_sep KerberosPrincipalHostEntity find concode_elem_sep KerberosPrincipalHostEntity merge concode_elem_sep List<KerberosPrincipalHostEntity> findByHost concode_elem_sep void create concode_elem_sep void create concode_elem_sep void refresh concode_elem_sep List<KerberosPrincipalHostEntity> findByPrincipal concode_elem_sep List<KerberosPrincipalHostEntity> findAll concode_elem_sep void remove concode_elem_sep void remove concode_elem_sep void remove
target: boolean function ( String arg0 , Long arg1 ) { return find ( arg0 , arg1 ) != null ; }