ListMultimap key ordering.

[paulo]

SortedSetMultimap specifies that the values are ordered.

What i would like myself is a SortedKeysMultimap, if you can read
that, and that the list values are not kept sorted. Basically a
priority queue+map of values, with some further prioritizing possible
manually in the list itself, to avoid starvation. Or more explicitly

SortedKeysCircularQueueMultimap.
Any such thing?

[Jared Levy]

The following Multimaps methods let you create a multimap from a backing map and a supplier that creates Collections:

  newMultimap, newListMultimap, newSetMultimap, newSortedSetMultimap

You could pass in a TreeMap as the map and a supplier that creates PriorityQueues.

Note that resulting multimap would not expose any Queue-specific methods, but most of those methods can be simulated with Collection methods. For example, multimap.get(key).iterator().next() would return the smallest value with that key. 

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