import { TreeNode } from '@tracktor/types-treege';
interface AppendChildParams {
    tree: TreeNode | null;
    path: string | null;
    uuid: string;
    child: TreeNode;
}
/**
 * Append child to tree
 * @param tree
 * @param path
 * @param uuid
 * @param child
 */
declare const appendNode: ({ tree, path, uuid, child }: AppendChildParams) => TreeNode | {
    attributes: {
        isLeaf: boolean;
        isRoot: boolean;
        depth: number;
        tag?: string;
        helperText?: string;
        isDecision?: boolean;
        label?: string;
        name: string;
        required?: boolean;
        step?: string;
        type: import('@tracktor/types-treege').FieldType;
        value?: never;
        values?: import('@tracktor/types-treege').TreeValues[];
        defaultValueFromAncestor?: import('@tracktor/types-treege').DefaultValueFromAncestor;
        message?: never;
        tree?: TreeNode;
        treePath?: string;
        repeatable?: boolean;
        hiddenValue?: string;
        isDisabledPast?: boolean;
        route?: import('@tracktor/types-treege').Route;
        initialQuery?: boolean;
        isMultiple?: boolean;
        pattern?: string;
        patternMessage?: string;
        messages?: {
            on?: string;
            off?: string;
        };
    } | {
        isLeaf: boolean;
        isRoot: boolean;
        depth: number;
        tag?: string;
        helperText?: string;
        messages?: never;
        isDecision?: never;
        label?: string;
        name: string;
        required?: never;
        step?: never;
        type?: never;
        value: string;
        values?: never;
        defaultValueFromAncestor?: import('@tracktor/types-treege').DefaultValueFromAncestor;
        message?: string;
        tree?: never;
        treePath?: never;
        repeatable?: never;
        hiddenValue?: never;
        isDisabledPast?: boolean;
        route?: import('@tracktor/types-treege').Route;
        initialQuery?: boolean;
        isMultiple?: boolean;
        pattern?: string;
        patternMessage?: string;
    };
    uuid: string;
    children: TreeNode[];
    treeId?: string;
    treePath?: string;
    childrenTreeRest?: {
        currentTree: TreeNode;
        treePath?: string;
    }[];
};
export default appendNode;