MultiSet keyed by name. Lookups may accept either name or name.valueHex.
name.valueHex
Number of distinct keys.
Number of values.
Add a key.
Number of occurrences after the operation.
Count occurrences of a key.
Iterate over key and number of occurrences.
Remove a key. No-op if key does not exist.
MultiSet keyed by name. Lookups may accept either name or
name.valueHex
.