import { type ReactiveController } from '../stencil/reactive-controller-host';
declare global {
    interface LmvzComponentMeta {
        isFocusControllerHost?: true;
    }
}
export type DirectionalFocusHost = FocusHostExtensions & {
    el: HTMLElement;
};
type FocusHostExtensions = {
    initFocus: DirectionalFocusController['initFocus'];
};
export declare function isFocusControllerHost(el: HTMLElement): el is HTMLElement & FocusHostExtensions;
export type DirectionalFocusReceiver = {
    resolveFocusableElement(): HTMLElement | undefined;
};
export type DirectionalFocusOrientation = 'horizontal' | 'vertical' | 'both';
export type DirectionalFocusControllerConfig = {
    orientation?: DirectionalFocusOrientation;
    enableHomeAndEnd?: boolean;
    manageTabIndex?: boolean;
    onFocusTargetChange?: (element: HTMLElement) => void;
    isFocusableElement?: (element: HTMLElement) => boolean;
};
export declare class DirectionalFocusController implements ReactiveController {
    private readonly host;
    private elements;
    private currentElement?;
    private readonly config;
    constructor(host: DirectionalFocusHost, config?: DirectionalFocusControllerConfig);
    hostConnected(): void;
    hostDisconnected(): void;
    updateElements(elements: Element[]): void;
    setCurrentElement(element: Element | undefined | null): void;
    initFocus(): Promise<void>;
    private handleKeydown;
    private getFocusIntent;
    private getManagedActiveElement;
    private getTargetElement;
    private findFocusableFromIndex;
    private syncManagedFocusTarget;
    private selectManagedElement;
    private updateTabIndexes;
    private applyFocusTarget;
    private canMoveFocusTo;
}
export type ListKeyboardNavigationHost = DirectionalFocusHost;
export type ListKeyboardNavigationControllerConfig = DirectionalFocusControllerConfig;
export { DirectionalFocusController as ListKeyboardNavigationController };