src/vs/workbench/api/common/extHostNotebookDocuments.ts/ExtHostNotebookDocuments/$acceptDirtyStateChanged
class ExtHostNotebookDocuments:	$acceptDirtyStateChanged(uri: UriComponents, isDirty: boolean): void {
		const document = this._notebooksAndEditors.getNotebookDocument(URI.revive(uri));
		document.acceptDirty(isDirty);
	}