code: public <K, V> SortedMap<K, V> tailMap(SortedMap<K, V> map, K fromKey) {
          return map.tailMap(fromKey);
      }
docs: Get the sorted map of all key/value pairs where the keys are greater than
  or equal to the given key based on the sort algorithm of the keys in the
  map.
  
  @param <K> The component type of the keys
  @param <V> The component type of the values
  
  @param map The sorted map to retrieve from
  @param toKey The key, inclusive, to start from
  
  @return A new sorted map of all key/value pairs starting with the key
  
  @see SortedMap#tailMap(Object)