docs: @Override
      public String getPath() {
          // We need to URL encode '+'s to work around an S3 bug
          // (Cf. https://forums.aws.amazon.com/thread.jspa?threadID=55746)
          return PAIRTREE_ROOT + PATH_SEP + PairtreeUtils.mapToPtPath(myID).replace(UNENCODED_PLUS, ENCODED_PLUS) +
                  PATH_SEP + PairtreeUtils.encodeID(myID).replace(UNENCODED_PLUS, ENCODED_PLUS);
      }