import type { SessionStats } from '../session.js';
export interface WebhookPayload {
    event: 'cost_alert';
    session: {
        sessionId: string;
        projectDir: string;
        totalCostUsd: number;
        assistantTurnCount: number;
    };
    threshold: number;
    message: string;
}
export declare function fireAlertWebhooks(allStats: SessionStats[]): Promise<void>;
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