export declare const oauthRequestDialogAppRootElement: import("@backstage/frontend-plugin-api").ExtensionDefinition<{}>;
export declare const alertDisplayAppRootElement: import("@backstage/frontend-plugin-api").ExtensionDefinition<{
    anchorOrigin: {
        vertical: "top" | "bottom";
        horizontal: "center" | "left" | "right";
    };
    transientTimeoutMs: number;
}>;