export interface ListboxControllerOptions {
    root: HTMLElement;
    getDisabled: () => boolean;
    getReadonly: () => boolean;
    getOptionCount: () => number;
    getFocusedIndex: () => number;
    setFocusedIndex: (index: number) => void;
    selectFocused: () => void;
    isFilterTarget: (target: EventTarget | null) => boolean;
}
export declare class ListboxController {
    private readonly root;
    private readonly options;
    constructor(options: ListboxControllerOptions);
    destroy(): void;
    private handleKeyDown;
}
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