code: @ManyToOne(targetEntity = BallotDocumentData.class, cascade = {
          CascadeType.ALL
      })
      @JoinColumn(name = "BALLOT_DOCUMENT_DATA_BALLOT__0")
      public BallotDocumentData getBallotDocumentData() {
          return ballotDocumentData;
      }
docs: Gets the ballot document data.
  
  @return the ballot document data