/**
 * Masks JWTs, bearer tokens, passwords, API keys, and other secrets in log records
 * before they leave the process (stdout / Sentry). Registered with @crowdin/logs-formatter
 * at SDK bootstrap so every Crowdin app built on this SDK benefits without per-app changes.
 *
 * NOTE: a separate field-value masker lives at src/util/credentials-masker.ts (maskKey) —
 * it masks ALL but last 3 chars with '*', operates on form-data fields, and is wired into
 * request/response middleware. The two are intentionally distinct: this sanitizer uses
 * "first 4 chars + ***" on log records, and the field masker uses "***...XYZ" on form
 * payloads. Do not mix them.
 */
import type { LogRecord, Sanitizer } from '@crowdin/logs-formatter';
export type { LogRecord, Sanitizer };
export declare const MASK_PLACEHOLDER = "***";
export declare function maskString(input: string): string;
export declare function maskUrl(url: string): string;
export declare function sanitizeValue(value: unknown): unknown;
export declare function crowdinLogSanitizer(record: LogRecord): LogRecord;