import { TransportItemType } from "@grafana/faro-web-sdk";
/**
 * Cleans a string by redacting email addresses and emitting metrics for PII.
 *
 * If the string is URL-encoded, it will be decoded before redaction.
 * Metrics are emitted for each domain found in redacted email addresses.
 *
 * @param {string} value - The input string to sanitize.
 * @param {TransportItemType} source - The source context of the input.
 * @returns {string} The cleaned string with any email addresses replaced by `[REDACTED EMAIL]`.
 */
export declare function _cleanStringPII(value: string, source: TransportItemType): string;