ListenerCallQueueTest.java 文件源码

private static <T> ImmutableMultiset<T> multiset(Map<T, Integer> counts) {
  ImmutableMultiset.Builder<T> builder = ImmutableMultiset.builder();
  for (Map.Entry<T, Integer> entry : counts.entrySet()) {
    builder.addCopies(entry.getKey(), entry.getValue());
  }
  return builder.build();
}