/**
 * A callback function invoked for every node in the object tree.
 * @param key - The property key.
 * @param value - The property value.
 * @param parent - The object containing the property.
 */
export type Visitor = (key: string, value: any, parent: any) => void;
export type VisitorAsync = (key: string, value: any, parent: any) => Promise<void> | void;
/**
 * Recursively visits every property in an object or array.
 * Uses a WeakSet to detect and prevent circular references.
 *
 * @param target - The object/array to traverse.
 * @param visitor - The callback to execute on each node.
 * @param seen - Internal set for circular dependency tracking.
 */
export declare function deepVisit(target: any, visitor: Visitor, seen?: WeakSet<object>): void;
/**
 * Recursively visits every property in an object or array asynchronously.
 */
export declare function deepVisitAsync(target: any, visitor: VisitorAsync, seen?: WeakSet<object>): Promise<void>;
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