/// <reference types="react" />
import { AnyExtensionInputMap, PortableSchema } from '@backstage/frontend-plugin-api';
/** @alpha */
export declare function createCatalogFilterExtension<TInputs extends AnyExtensionInputMap, TConfig = never>(options: {
    namespace?: string;
    name?: string;
    inputs?: TInputs;
    configSchema?: PortableSchema<TConfig>;
    loader: (options: {
        config: TConfig;
    }) => Promise<JSX.Element>;
}): import("@backstage/frontend-plugin-api").ExtensionDefinition<TConfig>;
