/guava/guava/src/com/google/common/reflect/TypeResolver.java
static final WildcardCapturer INSTANCE = null ;
static final WildcardCapturer INSTANCE = new WildcardCapturer ( ) ;
} } mappings.put(var, arg); } } private static class WildcardCapturer { <extra_id_0> private final AtomicInteger id; private WildcardCapturer() { this(new AtomicInteger()); } private WildcardCapturer(AtomicInteger id) { this.id = id;