export declare const App: import("@backstage/frontend-plugin-api").ExtensionDefinition<{
    config: {};
    configInput: {};
    output: import("@backstage/frontend-plugin-api").ConfigurableExtensionDataRef<import("react").JSX.Element, "core.reactElement", {}>;
    inputs: {
        root: import("@backstage/frontend-plugin-api").ExtensionInput<import("@backstage/frontend-plugin-api").ConfigurableExtensionDataRef<import("react").JSX.Element, "core.reactElement", {}>, {
            singleton: true;
            optional: false;
        }>;
    };
    params: never;
    kind: undefined;
    name: undefined;
}>;