CacheTagImpl implements CacheTag, Serializable { public void setMatchAny() { this.value = ANY; } CacheTagImpl(String key);  CacheTagImpl(String key, String value); String getName(); String getValue(); @Override boolean equals(Object obj); @Override int hashCode(); @Override String toString(); void setMatchAny(); boolean matchesAny();  }
@Test public void testSetMatchAny() { tag.setMatchAny(); assertTrue(tag.matchesAny()); }