import type { ArkmeBotSummary, ArkmeSourceItem } from './types.js';
export interface ArkmeBotChatDirectoryProjection {
    sources: ArkmeSourceItem[];
    bots: ArkmeBotSummary[];
}
/** Merge owner activity only; hydrated previews, unread and current opaque handles stay intact. */
export declare function mergeBotDirectoryActivity(current: ArkmeBotSummary[], refreshed: readonly ArkmeBotSummary[]): ArkmeBotSummary[];
export declare function projectBotChatDirectory(sources: readonly ArkmeSourceItem[], bots: readonly ArkmeBotSummary[]): ArkmeBotChatDirectoryProjection;
/** Directory deltas can omit an existing Bot; only explicit deletion removes it. */
export declare function mergeBotDirectorySnapshots(current: readonly ArkmeBotSummary[], incoming: readonly ArkmeBotSummary[], removedRefs?: readonly string[]): ArkmeBotSummary[];
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