src/vs/workbench/contrib/notebook/browser/notebook.contribution.ts/CellContentProvider/constructor
class CellContentProvider:	constructor(
		@ITextModelService textModelService: ITextModelService,
		@IModelService private readonly _modelService: IModelService,
		@ILanguageService private readonly _languageService: ILanguageService,
		@INotebookEditorModelResolverService private readonly _notebookModelResolverService: INotebookEditorModelResolverService,
	) {
		this._registration = textModelService.registerTextModelContentProvider(CellUri.scheme, this);
	}