return new String[length];
                  }

                  @Override
                  public Integer[] createValueArray(int length) {
                    return new Integer[length];
                  }

                  @Override
                  public SampleElements<Entry<String, Integer>> samples() {
                    return new SampleElements<>(

      if (read == -1) {
        // end of stream before reading expectedSize bytes
        // just return the bytes read so far
        return Arrays.copyOf(bytes, off);
      }
      remaining -= read;
    }

    // bytes is now full
    int b = in.read();
    if (b == -1) {
      return bytes;
    }

    // the stream was longer, so read the rest normally

     *
     * @param value the input string to be escaped
     * @return the escaped XML string with invalid characters removed, or empty string if value is null
     */
    public static String escapeXml(final String value) {
        if (value == null) {
            return StringUtil.EMPTY;
        }
        return stripInvalidXMLCharacters(//
                value//

     * This method returns the concrete FessUserBean class instead of the generic type.
     *
     * @return an optional containing the current user bean, or empty if not logged in
     */
    @Override
    protected OptionalThing<FessUserBean> getUserBean() { // to return as concrete class
        return fessLoginAssist.getSavedUserBean();
    }

    /**

    private static FileEntry entry(String name) {
        return new FileEntry() {
            @Override
            public String getName() {
                return name;
            }

            @Override
            public int getType() {
                return 0;
            }

            @Override
            public int getAttributes() {
                return 0;
            }

            @Override

        return null;
    }

    @Override
    public int xgetNestLevel() {
        return 0;
    }

    @Override
    public int xgetNextNestLevel() {
        return 0;
    }

    @Override
    public boolean isBaseQuery() {
        return false;
    }

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

    @Override

            }
          };
        }
      }

      @Override
      public int size() {
        return predecessorCount;
      }

      @Override
      public boolean contains(@Nullable Object obj) {
        return isPredecessor(adjacentNodeValues.get(obj));
      }
    };
  }

  @Override
  public Set<N> successors() {
    return new AbstractSet<N>() {

    public String getTableDbName() {
        return _tableDbName;
    }

    @Override
    public String getTableDispName() {
        return _tableDispName;
    }

    @Override
    public String getTablePropertyName() {
        return _tablePropertyName;
    }

    @Override
    public TableSqlName getTableSqlName() {
        return null;
    }

      if (upper == POSITIVE_INFINITY) {
        // Return NaN when lower == NEGATIVE_INFINITY and upper == POSITIVE_INFINITY:
        return NaN;
      }
      // Return NEGATIVE_INFINITY when NEGATIVE_INFINITY == lower <= upper < POSITIVE_INFINITY:
      return NEGATIVE_INFINITY;
    }
    if (upper == POSITIVE_INFINITY) {
      // Return POSITIVE_INFINITY when NEGATIVE_INFINITY < lower <= upper == POSITIVE_INFINITY:

  @Override
  public int hashCode() {
    return value;
  }

  @Override
  public boolean equals(@Nullable Object obj) {
    if (obj instanceof UnsignedInteger) {
      UnsignedInteger other = (UnsignedInteger) obj;
      return value == other.value;
    }
    return false;
  }

  /** Returns a string representation of the {@code UnsignedInteger} value, in base 10. */
  @Override
  public String toString() {