import type { SlopeEvent, CISignal } from './types.js';
export interface WebhookResult {
    /** Ready for store.insertEvent() — null if event not relevant */
    event: Omit<SlopeEvent, 'id' | 'timestamp'> | null;
    /** Parsed CI signal from test output — null if not found */
    ciSignal: CISignal | null;
    /** What happened in the webhook */
    action: string;
}
/**
 * Validate a GitHub webhook signature using HMAC-SHA256.
 * Uses crypto.timingSafeEqual to prevent timing attacks.
 */
export declare function validateGitHubWebhookSignature(payload: string, signatureHeader: string, secret: string): boolean;
/**
 * Handle a GitHub check_run webhook payload.
 * Extracts CI signals from check_run.output.text when available.
 */
export declare function handleCheckRunWebhook(payload: unknown, opts?: {
    sprintNumber?: number;
    sessionId?: string;
}): WebhookResult;
/**
 * Handle a GitHub workflow_run webhook payload.
 * Maps workflow conclusions to SLOPE event types.
 */
export declare function handleWorkflowRunWebhook(payload: unknown, opts?: {
    sprintNumber?: number;
    sessionId?: string;
}): WebhookResult;
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