import type { TeamMessage, TeamTimeline } from '../team-app-contract.js';
import type { ArkmeCalendarBucketDay } from '../types.js';
import type { ConversationActivityResult } from '../conversation-activity.js';
export declare const availableTeamMessage: (m: TeamMessage) => boolean;
export declare function teamHistoryDate(at: number): string;
export declare function teamHistoryText(m: TeamMessage): string;
/** Sequential, permission-checked cursor reads. Never persist messages or sealed refs. */
export declare function readTeamHistory(read: (before: number, signal: AbortSignal) => Promise<TeamTimeline>, signal: AbortSignal, progress: (messages: TeamMessage[]) => void): Promise<TeamMessage[]>;
export declare function teamHistoryDays(messages: readonly TeamMessage[]): ArkmeCalendarBucketDay[];
/** Names are labels, never identity keys. Missing identities stay unknown, not merged by nickname. */
export declare const teamHistoryPerson: (m: TeamMessage) => string;
export declare function teamHistoryActivity(messages: readonly TeamMessage[]): ConversationActivityResult;
export declare function exportTeamHistory(messages: readonly TeamMessage[], title: string, now?: Date): string;
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