public Object getSerializedData(DiskRegion dr, DiskId id) {
    return convertBytesAndBitsToSerializedForm(getBytesAndBits(dr, id, true), dr.getCache());
  }
Get serialized form of data off the disk

@since GemFire 5.7
geode-core/src/main/java/org/apache/geode/internal/cache/DiskStoreImpl.java