code: public static <K, V> CacheEvent<K, V> removal(K removedKey, V removedValue, Cache<K, V> source) {
      return new RemovalEvent<>(removedKey, removedValue, source);
    }
docs: Creates a {@link EventType#REMOVED removed} {@link CacheEvent}.
  
  @param removedKey the removed key
  @param removedValue the removed value
  @param source the event source
  @param <K> the key type
  @param <V> the value type
  
  @return a removed cache event