export declare const oauthRequestDialogAppRootElement: import("@backstage/frontend-plugin-api").ExtensionDefinition<{
    kind: "app-root-element";
    name: "oauth-request-dialog";
    config: {};
    configInput: {};
    output: import("@backstage/frontend-plugin-api").ConfigurableExtensionDataRef<import("react").JSX.Element, "core.reactElement", {}>;
    inputs: {};
    params: {
        element: JSX.Element | (() => JSX.Element);
    };
}>;
export declare const alertDisplayAppRootElement: import("@backstage/frontend-plugin-api").ExtensionDefinition<{
    config: {
        transientTimeoutMs: number;
        anchorOrigin: {
            vertical: "top" | "bottom";
            horizontal: "center" | "left" | "right";
        };
    };
    configInput: {
        anchorOrigin?: {
            vertical?: "top" | "bottom" | undefined;
            horizontal?: "center" | "left" | "right" | undefined;
        } | undefined;
        transientTimeoutMs?: number | undefined;
    };
    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: "alert-display";
    params: {
        element: JSX.Element | (() => JSX.Element);
    };
}>;