import type { ArkmeBotSummary, ArkmeConversationDirectoryVisibilityItem, ArkmeSourceItem } from './types.js';
/** One derivation supplies the row objects and their arithmetic total together. */
export declare function projectArkmeConversationAttention(sources: readonly ArkmeSourceItem[], bots: readonly ArkmeBotSummary[], visibility: readonly ArkmeConversationDirectoryVisibilityItem[]): {
    directory: import("./bot-chat-directory-projection.js").ArkmeBotChatDirectoryProjection;
    sources: ArkmeSourceItem[];
    bots: ArkmeBotSummary[];
    badgeCount: number;
};
export declare function visibleArkmeConversations(sources: readonly ArkmeSourceItem[], bots: readonly ArkmeBotSummary[], visibility: readonly ArkmeConversationDirectoryVisibilityItem[]): {
    sources: ArkmeSourceItem[];
    bots: ArkmeBotSummary[];
};
export declare function arkmeConversationBadgeTotal(sources: readonly ArkmeSourceItem[], bots: readonly ArkmeBotSummary[], visibility: readonly ArkmeConversationDirectoryVisibilityItem[]): number;
/** Cycle normal unread, muted unread, then the actual list head. */
export declare function nextArkmeUnreadConversation<T extends {
    key: string;
    unreadCount?: number;
    badgeUnreadCount?: number;
    isMuted?: boolean;
    notificationAllowed?: boolean;
}>(rows: readonly T[], previousKey?: string): T | {
    top: true;
} | undefined;
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