import type { BehaviorEvent } from '../behavior/behavior-event-emitter.js';
import type { SignalMessage, RuntimeStateSnapshot } from '../../domain/dashboard/signal-types.js';
export interface SignalSink {
    send(signal: SignalMessage): void;
    updateState?(state: Partial<RuntimeStateSnapshot>): void;
}
export declare class SignalAggregator {
    private readonly sink;
    private sequenceId;
    private readonly eventCounts;
    private readonly recentTimestamps;
    private readonly rateWindowMs;
    constructor(sink: SignalSink, rateWindowMs?: number);
    handleEvent(event: BehaviorEvent): void;
    replayEvent(event: BehaviorEvent, targetSend?: (signal: SignalMessage) => void): void;
    getEventCounts(): ReadonlyMap<string, number>;
    getTotalEvents(): number;
    getEventRate(): number;
    private trackEventCount;
    private trackEventRate;
    private emitDerivedMetrics;
    private resolveEnforcementLevel;
    private emitMetric;
    private buildSignal;
}
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