/**
 * UK-centric domain typo map: data + pure lookup logic.
 *
 * No Node imports — this module is browser-safe. The fs-backed custom-map
 * loader lives in typo-map.ts (Node) with a no-op twin in typo-map.browser.ts.
 */
export declare const DEFAULT_TYPO_MAP: Record<string, string>;
/** Replace the active map (defaults merged with any custom entries). */
export declare function setTypoMap(custom?: Record<string, string>): Record<string, string>;
export declare function getTypoMap(): Record<string, string>;
export declare function correctDomain(localPart: string, domain: string): {
    correctedEmail: string;
    correctedDomain: string;
} | null;