import type { BackgroundAgentRegistry } from './background-registry.js';
import { redactSecrets } from './redact-secrets.js';
export interface SummaryEntry {
    text: string;
    refreshedAt: number;
    stale: boolean;
}
export interface BackgroundSummarizerOptions {
    registry: BackgroundAgentRegistry;
    apiKey: string;
    model?: string;
    intervalMs?: number;
    maxInputTokens?: number;
    maxOutputTokens?: number;
    maxCallsPerSession?: number;
    callLLM?: (prompt: string, signal?: AbortSignal) => Promise<string>;
    getTranscript?: (jobId: string) => string | undefined;
}
export { redactSecrets };
export declare class BackgroundSummarizer {
    private readonly registry;
    private readonly apiKey;
    private readonly model;
    private readonly intervalMs;
    private readonly maxInputTokens;
    private readonly maxOutputTokens;
    private readonly maxCallsPerSession;
    private readonly callLLM;
    private readonly getTranscriptFn;
    private readonly summaries;
    private readonly jobIndexMap;
    private jobIndexCounter;
    private callsThisSession;
    private readonly lastRefreshedAt;
    private abortController;
    private tickTimer;
    private readonly tickIntervalMs;
    constructor(opts: BackgroundSummarizerOptions);
    start(): void;
    stop(): void;
    getSummary(jobId: string): SummaryEntry | undefined;
    private tick;
    private refreshJob;
}