code: public Lint augment(Symbol sym) {
          Lint l = augmentor.augment(this, sym.getDeclarationAttributes());
          if (sym.isDeprecated()) {
              if (l == this)
                  l = new Lint(this);
              l.values.remove(LintCategory.DEPRECATION);
              l.suppressedValues.add(LintCategory.DEPRECATION);
          }
          return l;
      }
docs: Returns the result of combining the values in this object with
  the metadata on the given symbol.