Ignore goog.ui.AbstractSpellChecker.prototype.getHandler
Change a signature of goog.ui.ColorMenuButtonRenderer.wrapCaption
Add JSDoc to goog.promise
Improve JSDoc of goog.ui.MenuBase
Improve JSDoc of goog.ui.Menu
Fix JSDoc goog/ui/paletterenderer.js: null to Element
Ignore goog.i18n.CompactNumberFormatSymbols in goog/i18n/compactnumberformatsymbols_ext.js
Fix NullableLiteral array