code: public static <K, V> LinkedHashMultimap<K, V> create(int expectedKeys, int expectedValuesPerKey) {
      return new LinkedHashMultimap<>(
          Maps.capacity(expectedKeys), Maps.capacity(expectedValuesPerKey));
    }
docs: Constructs an empty {@code LinkedHashMultimap} with enough capacity to hold the specified
  numbers of keys and values without rehashing.
  
  @param expectedKeys the expected number of distinct keys
  @param expectedValuesPerKey the expected average number of values per key
  @throws IllegalArgumentException if {@code expectedKeys} or {@code expectedValuesPerKey} is
  negative