import type { Fn } from "@thi.ng/api";
export declare const walkable: (x: any) => any;
export declare function walk(fn: Fn<any, void>, input: any, postOrder?: boolean): void;
export declare function walk(fn: Fn<any, void>, children: Fn<any, any>, input: any, postOrder?: boolean): void;
export declare function walkIterator(input: any, postOrder?: boolean): IterableIterator<any>;
export declare function walkIterator(input: any, children: Fn<any, any>, postOrder?: boolean): IterableIterator<any>;
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