/**
 * Check if a URL matches a known AI API pattern and isn't on coolhand-node's own
 * exclude list (e.g. batch-prediction-job status polling) — mirrors the filtering
 * coolhand-node's SDK applies before treating a request as an inference call.
 * Uses coolhand-node's PatternMatchingService which covers
 * OpenAI, Anthropic, Google AI, Cohere, Hugging Face, etc.
 */
export declare function shouldCapture(url: string): boolean;
/**
 * Flatten a raw header map (values may be string[], string, or undefined)
 * into Record<string, string>, joining multi-value headers with ", ".
 */
export declare function flattenHeaders(headers: Record<string, string | string[] | undefined>): Record<string, string>;
/**
 * Sanitize headers by redacting sensitive values (API keys, auth tokens).
 */
export declare function sanitizeHeaders(headers: Record<string, string>): Record<string, string>;
/**
 * Sanitize a URL by redacting sensitive query parameter values
 * (API keys, tokens) while leaving the rest of the URL intact.
 */
export declare function sanitizeURL(url: string): string;
//# sourceMappingURL=interceptor.d.ts.map