void setNewOffset(Offset newOffset) {
    Offset oldOffset = offset;
    offset = newOffset;
    setOriginalMessageOffset(oldOffset);
  }
Updates the {@link Offset} of the {@link IndexValue}
@param newOffset the new {@link Offset} to be updated for the {@link IndexValue}
ambry-store/src/main/java/com/github/ambry/store/IndexValue.java