declare const stop: unique symbol;
declare function traverse(
/**
 * The tree structure to traverse.
 */
tree: any, 
/**
 * Callbacks to call during traversal
 */
callbacks?: {
    /**
     * If you provide a `before` callback, it will be called on the way *down*
     * the traversal stack; this is equivalent to a breadth-first search.
     *
     * If you return `traverse.stop`, children of the current value will not be
     * traversed over.
     */
    before?: (value: any, path: Array<string | number>) => void | typeof stop;
    /**
     * If you provide an `after` callback, it will be called on the way *up*
     * the traversal stack; this is equivalent to a depth-first search.
     */
    after?: (value: any, path: Array<string | number>) => void;
    /**
     * If you provide a `filter` callback, it will be called prior to
     * traversing a path, and its return value will be used to determine
     * whether children of this path should be visited.
     *
     * This will be called before the `before` callback, if there is a
     * `before` callback present.
     *
     * This defaults to a function which returns true for properties which
     * aren't getters.
     */
    filter?: (descriptor: PropertyDescriptor, path: Array<string | number>) => boolean;
}): void;
declare namespace traverse {
    export var stop: unique symbol;
    var _a: typeof traverse;
    export { _a as default };
}
export = traverse;