import React from 'react';
import { SelectOption, FormField } from './types';
export interface UsePhonePrefixOptions<T extends SelectOption> {
    options: T[];
    defaultValue?: T;
    field?: FormField;
    valueKey: keyof T;
    labelKey: keyof T;
    firstOption?: T;
    onSelect?: (option: T) => void;
    onSearch?: (query: string) => void;
    searchable?: boolean;
}
export interface UsePhonePrefixReturn<T extends SelectOption> {
    isOpen: boolean;
    selectedOption: T | null;
    highlightedIndex: number;
    searchQuery: string;
    filteredOptions: T[];
    dropdownRef: React.RefObject<HTMLDivElement>;
    inputId: string;
    toggleDropdown: () => void;
    handleSelectOption: (option: T) => void;
    handleKeyDown: (e: React.KeyboardEvent) => void;
    handleSearch: (query: string) => void;
    setHighlightedIndex: (index: number) => void;
    getOptionLabel: (option: T) => string;
    getSelectedOptionDisplay: (option: T) => string;
}
export declare function usePhonePrefix<T extends SelectOption>({ options, defaultValue, field, valueKey, labelKey, firstOption, onSelect, onSearch, searchable }: UsePhonePrefixOptions<T>): UsePhonePrefixReturn<T>;