import { DaikinTreeItem } from "../tree-item/index.cjs";
import { DaikinTreeSection } from "../tree-section/index.cjs";
export type Direction = "up" | "down" | "left" | "right";
export type DirectionDispatched = Exclude<Direction, "right">;
export type TreeMoveFocusEventDetail = {
    direction: DirectionDispatched;
};
export type TreeMoveFocusEvent = CustomEvent<TreeMoveFocusEventDetail>;
/**
 * Get direction from key name.
 * @param key `event.key` where `event` is `KeyboardEvent`
 * @returns direction
 */
export declare function getDirectionFromKey(key: string): Direction | undefined;
/**
 * `tree-move-focus` event handler for `daikin-tree-section`.
 *
 * @param section `daikin-tree-section`
 * @param event `TreeMoveFocusEvent`
 * @param children Children in the slot.
 */
export declare function handleTreeMoveFocusSection(section: DaikinTreeSection, event: TreeMoveFocusEvent, children: readonly (DaikinTreeSection | DaikinTreeItem)[]): void;
/**
 * `tree-move-focus` event handler for `daikin-tree`.
 *
 * @param event `TreeMoveFocusEvent`
 * @param children Children in the slot.
 */
export declare function handleTreeMoveFocusRoot(event: TreeMoveFocusEvent, children: readonly (DaikinTreeSection | DaikinTreeItem)[]): void;
export declare function emitTreeMoveFocus(target: HTMLElement, direction: DirectionDispatched): void;
export declare function emitTreeSelect(target: HTMLElement): void;
export declare function emitTreeUnselect(target: HTMLElement): void;