getNextUniqueKey(Map map, String prefix) Generate a unique key for the map based on a prefix.
Parameters: map - The map to look for existing keys. Parameters: prefix - The prefix to use when generating the key.
Generate a unique key for the map based on a prefix.
Parameters: map - The map to look for existing keys. Parameters: prefix - The prefix to use when generating the key. The new unique key that does not currently exist in the map.