code: public final void reset() {
      isNonMassSpectrum = false;
      curScan = null;
      defaultArrayLength = null;
      spectrumIndex = null;
      spectrumId = null;
      precursorSpectrumIndex = null;
      activationMethodAbbreviation = null;
      precursors = new ArrayList<>(1);
      precursorIsoWndTarget = null;
      precursorIsoWndLoOffset = null;
      precursorIsoWndHiOffset = null;
      precursorIntensity = null;
  
      offsetLo = null;
      offsetHi = null;
      length = null;
  
      precision = null;
      compressions = null;
      binDataType = null;
      mzData = null;
      intensityData = null;
      imData = null;
    }
docs: Resets all held variables to their default values.