root.forEachBucket((b) -> dagBuckets.add(b)); checkNotNull(dagBuckets); mutableBuckets = this.state.clusteringStrategy.getDagTrees(dagBuckets); checkState(dagBuckets.size() == mutableBuckets.size());
root.forEachBucket(dagBuckets::add); checkNotNull(dagBuckets); mutableBuckets = this.state.clusteringStrategy.getDagTrees(dagBuckets); checkState(dagBuckets.size() == mutableBuckets.size());