code: public com.google.javascript.jscomp.Requirement.Severity getSeverity() {
      com.google.javascript.jscomp.Requirement.Severity result = com.google.javascript.jscomp.Requirement.Severity.valueOf(severity_);
      return result == null ? com.google.javascript.jscomp.Requirement.Severity.WARNING : result;
    }
docs: <code>optional .jscomp.Requirement.Severity severity = 12 [default = WARNING];</code>