/guava/android/guava/src/com/google/common/base/MoreObjects.java
holderTail = valueHolder.next = holderTail;
holderTail = holderTail.next = valueHolder;
} } return builder.append('}').toString(); } private ValueHolder addHolder() { ValueHolder valueHolder = new ValueHolder(); <extra_id_0> return valueHolder; } @CanIgnoreReturnValue private ToStringHelper addHolder(@CheckForNull Object value) { ValueHolder valueHolder = addHolder(); valueHolder.value = value;