message: Update defaults to work better with Polymer core
diff: @@ -80,12 +80,13 @@ export async function convertPackage(options: ConvertPackageOptions = {}) {
  const converter = new AnalysisConverter(analysis, {
  rootModuleName: options.rootModuleName || 'Polymer',
  excludes: options.excludes || [
  - 'lib/utils/boot.html',
  'lib/elements/dom-module.html',
  ],
  referenceExcludes: options.referenceExcludes || [
  'Polymer.DomModule',
  + 'Polymer.Settings',
  'Polymer.log',
  + 'Polymer.rootPath',
  'Polymer.sanitizeDOMValue'
  ],
  mutableExports: options.mutableExports || {
  