/**
 * Read-only scan for `$ref` nodes only (not cycles). Used to verify a
 * caller's `kind="resolved"` promise: leftover refs mean their upstream
 * resolution isn't doing what they think, while object cycles are a normal
 * property of parser output and no broken promise. Terminates on cyclic
 * input via the visited set.
 */
export declare const containsRefs: (value: unknown, visited?: Set<object>) => boolean;
export declare function resolveDocument<T>(doc: T): T;