/**
 * Slack webhook notifications for RecourseOS escalations.
 */
export interface SlackNotificationConfig {
    webhookUrl: string;
    channel?: string;
    username?: string;
    iconEmoji?: string;
}
export interface ConsequenceAlert {
    riskAssessment: 'allow' | 'warn' | 'escalate' | 'block';
    source: 'terraform' | 'shell' | 'mcp';
    target: string;
    action: string;
    tier: string;
    reasoning: string;
    actor?: string;
    environment?: string;
    timestamp?: string;
}
export declare function formatSlackMessage(alert: ConsequenceAlert): object;
export declare function sendSlackNotification(config: SlackNotificationConfig, alert: ConsequenceAlert): Promise<{
    success: boolean;
    error?: string;
}>;
/**
 * Create a notifier function from environment config.
 * Reads RECOURSE_SLACK_WEBHOOK from environment.
 */
export declare function createSlackNotifier(): ((alert: ConsequenceAlert) => Promise<void>) | null;
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