src/vs/workbench/contrib/extensions/browser/extensionsActions.ts/ClearLanguageAction/update
class ClearLanguageAction:	update(): void {
		this.enabled = false;
		this.class = ClearLanguageAction.DisabledClass;
		if (!this.extension) {
			return;
		}
		if (!this.extensionsWorkbenchService.canSetLanguage(this.extension)) {
			return;
		}
		if (this.extension.gallery && language !== getLocale(this.extension.gallery)) {
			return;
		}
		this.enabled = true;
		this.class = ClearLanguageAction.EnabledClass;
	}