/** Trim leading/trailing slashes from a slug-like value. */
export declare const trimSlashes: (value: string) => string;
/**
 * Validates a path-like slug made of one or multiple segments.
 * Prevents path traversal and null-byte based bypasses.
 */
export declare const isSafePathSlug: (value: string) => boolean;
/** Normalizes and validates a user-provided slug. Returns null if invalid. */
export declare const normalizeSafeSlug: (value: string) => string | null;