hollow-diff-ui/src/main/java/com/netflix/hollow/diffview/DiffViewOutputGenerator.java
private static String getFieldValue(HollowDiffViewRow row, boolean useFrom) {
        Field field = useFrom ? row.getFieldPair().getFrom() : row.getFieldPair().getTo();
        if (row.getFieldPair().isLeafNode()) {
          return field.getValue() == null ? "null"
              : field.getValue().toString().replace("|", "&#x2502");
        } else {
            String suffix = field.getValue() == null ? " [null]" : "";
            return "(" + field.getTypeName() + ")" + suffix;
        }
    }
private static String getFieldValue(HollowDiffViewRow row, boolean useFrom) {
        Field field = useFrom ? row.getFieldPair().getFrom() : row.getFieldPair().getTo();
        if (row.getFieldPair().isLeafNode()) {
          return field.getValue() == null ? "null"
              : field.getValue().toString().replace("|", "&#x2502");
        } else {
            String suffix = field.getValue() == null ? " [null]" : "";
            return "(" + field.getTypeName() + ")" + suffix;
        }
    }
Returns a String representation of the provided row's field value. If `useFrom` is
true, this will use the `from` value from the pair, otherwise this will use the
`to` value.