import type { LiveActivityItem } from "./contracts/types.js";
export type ActivityPageCursor = {
    beforeEpoch: number;
    beforeId: string;
};
export type ListActivityPageParams = {
    limit: number;
    runId?: string | null;
    since?: string | null;
    until?: string | null;
    cursor?: string | null;
};
export type ListActivityPageResult = {
    activities: LiveActivityItem[];
    nextCursor: string | null;
    total: number;
    storeUpdatedAt: string;
};
export declare function appendActivityItems(items: LiveActivityItem[]): {
    appended: number;
    updated: number;
    total: number;
};
export declare function listActivityPage(params: ListActivityPageParams): ListActivityPageResult;
export declare function getActivityStoreStats(): {
    total: number;
    updatedAt: string;
};