code: public static Observable<Fix> from(File file, boolean backpressure, BinaryFixesFormat format) {
          if (backpressure)
              return BinaryFixesOnSubscribeWithBackp.from(file, format);
          else
              return BinaryFixesOnSubscribeFastPath.from(file, format);
      }
docs: Automatically detects gzip based on filename.
  
  @param file
  @param backpressure
  @return