import type { ArkmeRecordingSpeakerCandidate } from '../types.js';
import type { UnmarkedSpeakerRow } from './recognized-speaker-order.js';
export interface SpeakerEntrySnapshot {
    total?: number;
    newCount?: number;
    checkedAt: number;
}
type LocalStorage = Pick<Storage, 'getItem' | 'setItem'>;
export declare function markedSpeakerKeys(options: readonly ArkmeRecordingSpeakerCandidate[]): string[];
/** Only complete identity snapshots can establish a baseline or produce a precise delta.
 * A removed identity may be a merge/recluster; without lineage we suppress ambiguous
 * additions for that transition rather than presenting a false "new person".
 */
export declare class RecognizedSpeakerTracker {
    private readonly getStorage;
    private readonly records;
    private readonly snapshots;
    private readonly listeners;
    constructor(getStorage?: () => LocalStorage | undefined);
    subscribe: (listener: () => void) => (() => void);
    get: (account: string | undefined) => SpeakerEntrySnapshot;
    private emit;
    private read;
    private save;
    setTotal(account: string, total: number): void;
    uncertain(account: string): void;
    acknowledge(account: string): void;
    observe(account: string, options: readonly ArkmeRecordingSpeakerCandidate[], candidates: readonly UnmarkedSpeakerRow[], viewed?: boolean): void;
    clearSession(): void;
}
export declare const recognizedSpeakerTracker: RecognizedSpeakerTracker;
export {};
//# sourceMappingURL=recognized-speaker-tracker.d.ts.map