src/vs/workbench/services/textMate/electron-sandbox/textMateService.ts/ModelWorkerTextMateTokenizer/_beginSync
class ModelWorkerTextMateTokenizer:	private _beginSync(): void {
		this._isSynced = true;
		this._worker.acceptNewModel({
			uri: this._model.uri,
			versionId: this._model.getVersionId(),
			lines: this._model.getLinesContent(),
			EOL: this._model.getEOL(),
			languageId: this._model.getLanguageIdentifier().id,
		});
	}