export declare const POPULAR_PACKAGES: string[];
export declare function levenshtein(a: string, b: string): number;
interface TyposquatResult {
    similarTo: string;
    confidence: number;
    /** How the match was made — lets callers apply method-specific precision gates. */
    method?: "prefix" | "suffix" | "separator" | "levenshtein";
}
export declare function detectTyposquat(name: string): TyposquatResult | null;
export {};