Method addAll

output/java_guava/1.4.18/AbstractMultiset.java:128–132

{@inheritDoc} This implementation is highly efficient when elementsToAdd is itself a Multiset.

(Collection<? extends E> elementsToAdd)

   */

  @CanIgnoreReturnValue
  @Override
  public boolean addAll(Collection<? extends E> elementsToAdd) {
    return Multisets.addAllImpl(this, elementsToAdd);
  }

  @CanIgnoreReturnValue
  @Override