/**
 * Validates path parameters against traversal attacks ('.' and '..') and encodes
 * multi-segment parameters in params so that reserved characters (query params, fragments, etc.)
 * cannot be injected into the path. Modifies params in-place.
 *
 * @param urlTemplate URL template associated with the request (e.g. url, mediaUrl)
 * @param params Request parameters dictionary (modified in-place)
 */
export declare function validateAndEncodeParams(urlTemplate: string | undefined, params: Record<string, any>): void;