code: @Deprecated
    public static String addPlatformVersion(String qualifiers, int apiLevel) {
      int versionQualifierApiLevel = Qualifiers.getPlatformVersion(qualifiers);
      if (versionQualifierApiLevel == -1) {
        if (qualifiers.length() > 0) {
          qualifiers += "-";
        }
        qualifiers += "v" + apiLevel;
      }
      return qualifiers;
    }
docs: If the Config already has a version qualifier, do nothing. Otherwise, add a version
  qualifier for the target api level (which comes from the manifest or Config.sdk()).
  
  @deprecated Figure something else out.