export interface TelemetryEvent {
    event_type: 'assess_complete' | 'assess_error';
    package_version: string;
    node_version: string;
    os_platform: string;
    os_arch: string;
    repo_name?: string;
    frameworks?: string[];
    file_count?: number;
    claim_count?: number;
    bug_count?: number;
    score?: number;
    duration_ms?: number;
    top_bug_categories?: Array<{
        category: string;
        count: number;
    }>;
    error_code?: string;
    session_id: string;
}
/**
 * Check if telemetry is enabled.
 * Disabled by ASSAY_TELEMETRY=0 env var or --no-telemetry CLI flag.
 */
export declare function isTelemetryEnabled(): boolean;
/**
 * Show first-run telemetry notice (once per project).
 * Creates .assay/telemetry-notice-shown marker file.
 */
export declare function showTelemetryNotice(targetPath: string): Promise<void>;
/**
 * Fire-and-forget telemetry event.
 * Never blocks the CLI, never throws.
 */
export declare function sendTelemetryEvent(data: Omit<TelemetryEvent, 'session_id'>): void;
/**
 * Get package version from package.json.
 */
export declare function getPackageVersion(): Promise<string>;