/** @alpha */
export declare const EntityHeaderBlueprint: import("@backstage/frontend-plugin-api").ExtensionBlueprint<{
    kind: "entity-header";
    name: undefined;
    params: {
        loader: () => Promise<JSX.Element>;
    };
    output: import("@backstage/frontend-plugin-api").ConfigurableExtensionDataRef<import("react").JSX.Element, "core.reactElement", {
        optional: true;
    }>;
    inputs: {};
    config: {};
    configInput: {};
    dataRefs: {
        element: import("@backstage/frontend-plugin-api").ConfigurableExtensionDataRef<import("react").JSX.Element, "core.reactElement", {}>;
    };
}>;