import type { DataPollResponse, DataVerificationResult } from "./data.types";
export declare const INITIAL_DELAY_MS = 1000;
export declare const MAX_DELAY_MS = 5000;
export declare const BACKOFF_FACTOR = 1.5;
export declare const POLLING_DEADLINE_MS = 120000;
export declare const MAX_CONSECUTIVE_FAILURES = 3;
/** Maximum Retry-After value the SDK will respect (30s). Prevents server abuse. */
export declare const MAX_RETRY_AFTER_MS = 30000;
/**
 * Response wrapper that carries optional headers alongside the parsed body.
 * When headers are not available, only body is required.
 */
export interface PollResponseWithHeaders {
    body: DataPollResponse;
    headers?: Record<string, string>;
}
/**
 * Polls GET /transactions/{id}/data until terminal status.
 *
 * Supports:
 * - Exponential backoff with configurable ceiling
 * - Retry-After header override (integer seconds, capped at 30s)
 * - Monotonic deadline tracking via `performance.now()` (not wall clock)
 * - Consecutive failure budget before surfacing network error
 *
 * PII (person fields) is intentionally NOT included in the SDK result.
 * For PII, the app must call GET /transactions/{id}/data/result directly.
 */
export declare function pollForDataResult(transactionId: string, authorizedGet: (path: string) => Promise<PollResponseWithHeaders>, signal?: AbortSignal): Promise<DataVerificationResult>;