code: private void visit_OP_GET_DELEGATION_TOKEN() throws IOException {
      visitTxId();
      
      v.visitByte(EditsElement.T_VERSION);
      v.visitStringText(EditsElement.T_OWNER);
      v.visitStringText(EditsElement.T_RENEWER);
      v.visitStringText(EditsElement.T_REAL_USER);
      v.visitVLong(EditsElement.T_ISSUE_DATE);
      v.visitVLong(EditsElement.T_MAX_DATE);
      v.visitVInt(EditsElement.T_SEQUENCE_NUMBER);
      v.visitVInt(EditsElement.T_MASTER_KEY_ID);
      if (LayoutVersion.supports(Feature.EDITLOG_OP_OPTIMIZATION, editsVersion)) {
        v.visitLong(EditsElement.T_EXPIRY_TIME);
      } else {
        v.visitStringUTF8(EditsElement.T_EXPIRY_TIME);
      }
    }
docs: Visit OP_GET_DELEGATION_TOKEN