code: @ManyToOne(targetEntity = DocumentReferenceContainer.class, cascade = {
          CascadeType.ALL
      })
      @JoinColumn(name = "DOCUMENT_REFERENCE_CONTAINER_0")
      public DocumentReferenceContainer getDocumentReferenceContainer() {
          return documentReferenceContainer;
      }
docs: Gets the document reference container.
  
  @return the document reference container