code: public Lint suppress(LintCategory... lc) {
          Lint l = new Lint(this);
          l.values.removeAll(Arrays.asList(lc));
          l.suppressedValues.addAll(Arrays.asList(lc));
          return l;
      }
docs: Returns a new Lint that has the given LintCategorys suppressed.
  @param lc one or more categories to be suppressed