export declare const dialogDisplayAppRootElement: import("@backstage/frontend-plugin-api").ExtensionDefinition<{
    config: {};
    configInput: {};
    output: import("@backstage/frontend-plugin-api").ConfigurableExtensionDataRef<import("react").JSX.Element, "core.reactElement", {}>;
    inputs: {
        [x: string]: import("@backstage/frontend-plugin-api").ExtensionInput<import("@backstage/frontend-plugin-api").AnyExtensionDataRef, {
            optional: boolean;
            singleton: boolean;
        }>;
    };
    kind: "app-root-element";
    name: "dialog-display";
    params: {
        element: JSX.Element | (() => JSX.Element);
    };
}>;