src/vs/workbench/api/common/extHostDocuments.ts/ExtHostDocuments/$acceptModelSaved
class ExtHostDocuments:	public $acceptModelSaved(uriComponents: UriComponents): void {
		const uri = URI.revive(uriComponents);
		const data = this._documentsAndEditors.getDocument(uri);
		if (!data) {
			throw new Error('unknown document');
		}
		this.$acceptDirtyStateChanged(uriComponents, false);
		this._onDidSaveDocument.fire(data.document);
	}