/**
 * Helpers for inspecting raw `BinaryNode` stanza trees, ported 1:1
 * from upstream Baileys' `WABinary/generic-utils.ts`. baileyrs has the
 * same `BinaryNode` shape (`{ tag, attrs, content }`), so the
 * implementations are byte-identical.
 */
import type { BinaryNode } from '../Types/index.js';
export declare const getBinaryNodeChildren: (node: BinaryNode | undefined, childTag: string) => BinaryNode[];
export declare const getBinaryNodeChild: (node: BinaryNode | undefined, childTag: string) => BinaryNode | undefined;
/**
 * Throws a `Boom` when the response stanza carries an `<error>` child.
 * Mirrors upstream `assertNodeErrorFree` — used in IQ response paths
 * where the server signals failure via a sibling `<error>` instead of
 * a top-level rejection.
 */
export declare const assertNodeErrorFree: (node: BinaryNode) => void;
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