import type { TreeNode } from './tree-node.svelte';
/** Native-focus roving keyboard navigation for the tree (single tab stop + arrows / Home / End / Enter). */
export declare const createTreeKeyboard: (getRoots: () => readonly TreeNode[]) => {
    anchorId: (node: TreeNode) => string;
    readonly currentId: string | null;
    setFocused: (id: string) => void;
    handleKeydown: (node: TreeNode, e: KeyboardEvent) => void;
};
export type TreeKeyboard = ReturnType<typeof createTreeKeyboard>;