/guava/android/guava/src/com/google/common/util/concurrent/AbstractFuture.java
if ( casListeners( this, oldHead, newNode) ) {   return ; }
[Delete]
return false; } @CanIgnoreReturnValue protected boolean setException(Throwable throwable) { Object valueToSet = new Failure(checkNotNull(throwable)); if (ATOMIC_HELPER.casValue(this, null, valueToSet)) { <extra_id_0> return true; } return false; } @CanIgnoreReturnValue protected boolean setFuture(ListenableFuture<? extends V> future) {