src/vs/editor/standalone/browser/inspectTokens/inspectTokens.ts/InspectTokensWidget/constructor
class InspectTokensWidget:	constructor(
		editor: IActiveCodeEditor,
		modeService: IModeService
	) {
		super();
		this._editor = editor;
		this._modeService = modeService;
		this._model = this._editor.getModel();
		this._domNode = document.createElement('div');
		this._domNode.className = 'tokens-inspect-widget';
		this._tokenizationSupport = getSafeTokenizationSupport(this._model.getLanguageIdentifier());
		this._compute(this._editor.getPosition());
		this._register(this._editor.onDidChangeCursorPosition((e) => this._compute(this._editor.getPosition())));
		this._editor.addContentWidget(this);
	}