/**
 * Creates Catalog Filter Extensions
 * @alpha
 */
export declare const CatalogFilterBlueprint: import("@backstage/frontend-plugin-api").ExtensionBlueprint<{
    kind: "catalog-filter";
    name: undefined;
    params: {
        loader: () => Promise<JSX.Element>;
    };
    output: import("@backstage/frontend-plugin-api").ConfigurableExtensionDataRef<import("react").JSX.Element, "core.reactElement", {}>;
    inputs: {};
    config: {};
    configInput: {};
    dataRefs: never;
}>;