/guava/guava/src/com/google/common/base/MoreObjects.java
holderTail = valueHolder.next = holderTail;
holderTail = holderTail.next = valueHolder;
valueHolder.value = value; valueHolder.name = checkNotNull(name); return this; } private UnconditionalValueHolder addUnconditionalHolder() { UnconditionalValueHolder valueHolder = new UnconditionalValueHolder(); <extra_id_0> return valueHolder; } @CanIgnoreReturnValue private ToStringHelper addUnconditionalHolder(Object value) { UnconditionalValueHolder valueHolder = addUnconditionalHolder(); valueHolder.value = value;