1package javax.annotation.meta;
2
3/**
4 * Used to describe the relationship between a qualifier T and the set of values
5 * S possible on an annotated element.
6 *
7 * In particular, an issues should be reported if an ALWAYS or MAYBE value is
8 * used where a NEVER value is required, or if a NEVER or MAYBE value is used
9 * where an ALWAYS value is required.
10 *
11 *
12 */
13public enum When {
14    /** S is a subset of T */
15    ALWAYS,
16    /** nothing definitive is known about the relation between S and T */
17    UNKNOWN,
18    /** S intersection T is non empty and S - T is nonempty */
19    MAYBE,
20    /** S intersection T is empty */
21    NEVER;
22
23}
24