Method keySet

corpus/java/training/guava/collect/Multimap.java:312–312

Returns a view collection of all distinct keys contained in this multimap. Note that the key set contains a key if and only if this multimap maps that key to at least one value. Changes to the returned set will update the underlying multimap, and vice versa. However, adding to the

()

   * vice versa. However, <i>adding</i> to the returned set is not possible.
   */
  Set<K> keySet();

  /**
   * Returns a view collection containing the key from each key-value pair in