code: @Override
      public boolean next() {
          if (!this.iterator.hasNext()) {
              this.brlw.numberOfLiteralWords = 0;
              this.brlw.runningLength = 0;
              return false;
          }
          this.brlw.reset(this.iterator.next());
          this.literalWordStartPosition = this.iterator.literalWords(); // +
          // this.brlw.literalWordOffset
          // ==0
          return true;
      }
docs: Move to the next RunningLengthWord
  
  @return whether the move was possible