src/vs/workbench/services/textfile/common/textFileEditorModelManager.ts/TextFileEditorModelManager/onDidChangeFileSystemProviderCapabilities
class TextFileEditorModelManager:	private onDidChangeFileSystemProviderCapabilities(e: IFileSystemProviderCapabilitiesChangeEvent): void {

		// Resolve models again for file systems that changed
		// capabilities to fetch latest metadata (e.g. readonly)
		// into all models.
		this.queueModelReloads(e.scheme);
	}