code: public CollectionInfo getCollectionInfo(int collectionId, String language) throws MovieDbException {
          return tmdbCollections.getCollectionInfo(collectionId, language);
      }
docs: This method is used to retrieve all of the basic information about a
  movie collection.
  
  You can get the ID needed for this method by making a getMovieInfo
  request for the belongs_to_collection.
  
  @param collectionId collectionId
  @param language language
  @return CollectionInfo
  @throws MovieDbException exception