@Override
    public String getProjectName() {
        return null;
    }

    @Override
    public String getProjectPrefix() {
        return null;
    }

    @Override
    public String getGenerationGapBasePrefix() {
        return null;
    }

    @Override
    public DBDef getCurrentDBDef() {
        return null;
    }

          tempDir,
          new SimpleFileVisitor<Path>() {
            @Override
            public FileVisitResult visitFile(Path file, BasicFileAttributes attrs)
                throws IOException {
              Files.deleteIfExists(file);
              return FileVisitResult.CONTINUE;
            }

            @Override
            public FileVisitResult postVisitDirectory(Path dir, IOException exc)
                throws IOException {

        public void columnDocId() {
            doColumn("docId");
        }

        public void columnOrder() {
            doColumn("order");
        }

        public void columnQueryId() {
            doColumn("queryId");
        }

        public void columnQueryRequestedAt() {
            doColumn("queryRequestedAt");
        }

        public void columnRequestedAt() {

    @Override
    public String asTableDbName() {
        return asEsIndexType();
    }

    @Override
    protected String asEsIndex() {
        return "fess_config.scheduled_job";
    }

    @Override
    public String asEsIndexType() {
        return "scheduled_job";
    }

    @Override
    public String asEsSearchType() {
        return "scheduled_job";
    }

        /**
         * A comment or description of the share.
         */
        public String remark;
        /**
         * The share permissions.
         */
        public int permissions;
        /**
         * The maximum number of concurrent connections.
         */
        public int max_uses;
        /**
         * The current number of connections.
         */

            @Override
            public String getIndexConfigIndex() {
                return "fess_config";
            }

            @Override
            public Integer getCoordinatorPollIntervalAsInteger() {
                return 60;
            }

            @Override
            public Integer getCoordinatorHeartbeatTtlAsInteger() {
                return 180000;

 * It is designed to avoid the instantiation.
 */
public final class Constants {
    /**
     * The GET method.
     */
    public static final String GET_METHOD = "GET";

    /**
     * The HEAD method.
     */
    public static final String HEAD_METHOD = "HEAD";

    /**
     * The POST method.
     */
    public static final String POST_METHOD = "POST";

    /**

    @Override
    public String getProjectName() {
        return null;
    }

    @Override
    public String getProjectPrefix() {
        return null;
    }

    @Override
    public String getGenerationGapBasePrefix() {
        return null;
    }

    @Override
    public DBDef getCurrentDBDef() {
        return null;
    }

    public ColumnInfo columnUrlId() {
        return _columnUrlId;
    }

    public ColumnInfo columnDocId() {
        return _columnDocId;
    }

    public ColumnInfo columnOrder() {
        return _columnOrder;
    }

    public ColumnInfo columnQueryId() {
        return _columnQueryId;
    }

    public ColumnInfo columnQueryRequestedAt() {

      return delegate.toString();
    }

    @Override
    public boolean equals(@Nullable Object o) {
      assertTrue(Thread.holdsLock(mutex));
      return delegate.equals(o);
    }

    @Override
    public int hashCode() {
      assertTrue(Thread.holdsLock(mutex));
      return delegate.hashCode();
    }

    @Override
    public int size() {
      assertTrue(Thread.holdsLock(mutex));
      return delegate.size();