/**
 * What the overscroll gesture means for copy and (later) which fetch the app runs.
 * Add new members when wiring different APIs (e.g. refresh unread only).
 */
export type NotificationsHyperextensionAction = 'load_more' | 'sync_unread';
export type NotificationsHyperextensionFeedback = {
    phase: 'idle';
} | {
    phase: 'success';
    addedCount: number;
    bumpId: number;
} | {
    phase: 'empty';
};
export type NotificationsHyperextensionCopy = {
    loading: string;
    idleHint: string;
    /** Short line in the overscroll slot for success vs empty summary. */
    successOrEmptySummaryInSlot: (feedback: NotificationsHyperextensionFeedback) => string;
    emptyDetailInSlot: string;
};
export interface PLNotificationsHyperextensionBottomSlotProps {
    /** Default strings; use `sync_unread` when pull-on-unread is enabled. */
    action: NotificationsHyperextensionAction;
    /** Available for custom `copyOverrides` or future layout; not used in default UI. */
    activeTab: string;
    isLoadMorePending: boolean;
    isHyperDown: boolean;
    feedback: NotificationsHyperextensionFeedback;
    showSummaryInSlot: boolean;
    copyOverrides?: Partial<NotificationsHyperextensionCopy>;
    className?: string;
}
/**
 * Bottom hyperextension strip for the notifications drawer.
 * Parent owns feedback state and loading; this component is presentation + configurable copy.
 */
export declare function PLNotificationsHyperextensionBottomSlot({ action, activeTab: _activeTab, isLoadMorePending, isHyperDown, feedback, showSummaryInSlot, copyOverrides, className, }: PLNotificationsHyperextensionBottomSlotProps): import("react/jsx-runtime").JSX.Element;
export default PLNotificationsHyperextensionBottomSlot;