/**
 * Default sensitive headers that should be redacted in logs and storage
 */
export declare const DEFAULT_SENSITIVE_HEADERS: string[];
/**
 * Default sensitive request/response body fields that should be redacted
 */
export declare const DEFAULT_SENSITIVE_FIELDS: string[];
/**
 * Options for sanitizing data
 */
export interface SanitizeOptions {
    /**
     * Custom list of sensitive headers to redact (case-insensitive)
     * Will be merged with DEFAULT_SENSITIVE_HEADERS
     */
    sensitiveHeaders?: string[];
    /**
     * Custom list of sensitive fields to redact in request/response data
     * Will be merged with DEFAULT_SENSITIVE_FIELDS
     */
    sensitiveFields?: string[];
    /**
     * Character to use for redaction
     * @default '*'
     */
    redactionChar?: string;
    /**
     * Whether to sanitize request bodies
     * @default true
     */
    sanitizeRequestData?: boolean;
    /**
     * Whether to sanitize response bodies
     * @default true
     */
    sanitizeResponseData?: boolean;
    /**
     * Whether to sanitize URL parameters
     * @default true
     */
    sanitizeUrlParams?: boolean;
}
/**
 * Sanitizes sensitive information from request or response data
 * @param data - The data to sanitize
 * @param options - Sanitization options
 * @returns Sanitized data object
 */
export declare function sanitizeData(data: Record<string, any> | null | undefined, options?: SanitizeOptions): Record<string, any> | null | undefined;
/**
 * Sanitizes sensitive headers
 * @param headers - The headers to sanitize
 * @param options - Sanitization options
 * @returns Sanitized headers object
 */
export declare function sanitizeHeaders(headers: Record<string, any> | null | undefined, options?: SanitizeOptions): Record<string, any> | null | undefined;
/**
 * Sanitizes sensitive URL parameters
 * @param url - The URL to sanitize
 * @param options - Sanitization options
 * @returns Sanitized URL string
 */
export declare function sanitizeUrl(url: string | undefined, options?: SanitizeOptions): string | undefined;