import { SensitiveDataFilter } from './types.js';
export declare class SensitiveDataFilterUtil {
    private filter;
    private defaultPatterns;
    constructor(filter: SensitiveDataFilter);
    private readonly MAX_BODY_LENGTH;
    filterObject(obj: any): any;
    sanitizeRequestBody(body: unknown): string | undefined;
    sanitizeResponseBody(body: unknown): string | undefined;
    private filterString;
    private isSensitiveKey;
    private getRedactedValue;
    private truncateBody;
    private normalizeToString;
    private normalizeBodyToString;
    filterHeaders(headers: Record<string, unknown>): Record<string, string>;
    filterRequestBody(body: string): string;
    filterResponseBody(body: string): string;
}
//# sourceMappingURL=sensitive-data-filter.d.ts.map