import { IRTerm } from "../../IRTerm.js";
import { IRParentTerm } from "../../utils/isIRParentTerm.js";
import { IRHash } from "../../IRHash.js";
/**
 *
 * @param parent node to modify the child of
 * @param currentChild mainly passed to distinguish in case of `IRApp`
 * @param newChild new node's child
 */
export declare function _modifyChildFromTo(parent: IRParentTerm | undefined, currentChild: IRTerm | IRHash, newChild: IRTerm): void;