import { ReactiveController, ReactiveControllerHost } from 'lit';
import type { ListItem } from '../list-item.js';
export interface ListControllerConfig<Item extends ListItem> {
    isItem: (item: HTMLElement) => item is Item;
    getPossibleItems: () => HTMLElement[];
    blurItem: (item: Item) => void;
    focusItem: (item: Item) => void;
    isActivatable?: (item: Item) => boolean;
    wrapNavigation?: () => boolean;
}
export declare class ListController<Item extends ListItem> implements ReactiveController {
    host: ReactiveControllerHost;
    isItem: (item: HTMLElement) => item is Item;
    private readonly getPossibleItems;
    private readonly blurItem;
    private readonly focusItem;
    private readonly wrapNavigation;
    constructor(host: ReactiveControllerHost, config: ListControllerConfig<Item>);
    hostConnected(): void;
    hostDisconnected(): void;
    get items(): Item[];
    get currentIndex(): number;
    _focusedItem: Item | null;
    private searchString;
    private searchTimeout;
    handleType(char: string): boolean;
    private getSearchString;
    clearSearch(): void;
    _focusItem(item: Item): void;
    _blurItem(item: Item): void;
    focusFirstItem(): void;
    focusLastItem(): void;
    focusNextItem(): void;
    focusPreviousItem(): void;
    handleSlotChange(): void;
}
export declare function getIndexByLetter(options: string[], filter: string, startIndex?: number): number;