code: public static <T extends Serializable> Flowable<T> read(final File file) {
          return read(file, DEFAULT_BUFFER_SIZE);
      }
docs: Returns the deserialized objects from the given {@link File} as a
  {@link Flowable} stream. A buffer size of 8192 bytes is used by default.
  
  @param file
  the input file containing serialized java objects
  @param <T>
  the generic type of the deserialized objects returned in the
  stream
  @return the stream of deserialized objects from the {@link InputStream}
  as an {@link Flowable}.