import { EventEmitter, OnInit } from '@angular/core';
import { FormControl } from '@angular/forms';
import { Observable } from 'rxjs';
import { Country } from './country.interface';
import { ThemePalette } from '@angular/material/core';
import * as i0 from "@angular/core";
export declare class CountrySelectComponent implements OnInit {
    /**
     * Set initial default country
     * @example { alpha2: 'de', alpha3: 'deu', translations: { de: 'Deutschland', en: 'Germany', fr: 'Allemagne', es: 'Alemania', it: 'Germania' } }
     */
    defaultCountry: Country | null;
    /**
     * Default language for displaying country names
     * Currently supported: 'en', 'de', 'fr', 'es', 'it', 'ar', 'zh', 'hi', 'bn', 'pt' and 'ru'
     * @default 'en'
     */
    private _lang;
    set lang(value: string);
    get lang(): string;
    /**
     * Search in all available languages or only in the selected language
     * @default false
     */
    searchAllLanguages: boolean;
    /**
     * Placeholder text for the input field
     * @default 'Search country'
     */
    placeholder: string;
    /**
     * Set a country programmatically
     */
    set selectedCountry(country: Country | null);
    /**
     * Form control for the country select
     */
    formControl: FormControl<Country | null>;
    /**
     * Debounce time for search input in milliseconds
     * @default 100
     */
    debounceTime: number;
    /**
     * Appearance style of the form field
     * @default 'fill'
     */
    appearance: 'fill' | 'outline';
    /**
     * Angular Material color palette (primary, accent, warn)
     * @default 'primary'
     */
    color: ThemePalette;
    /**
     * Disables the component
     * @default false
     */
    disabled: boolean;
    /**
     * Marks the field as required
     * @default false
     */
    required: boolean;
    /**
     * Shows alpha2/alpha3 codes in the results
     * @default false
     */
    showCodes: boolean;
    /**
     * List of country alpha2 codes to include in the filter
     * @default []
     */
    includeCountries: string[];
    /**
     * List of country alpha2 codes to exclude from the filter
     * @default []
     */
    excludeCountries: string[];
    /**
     * Show only alpha2 codes in the results
     * @default false
     */
    alpha2Only: boolean;
    /**
     * Show only alpha3 codes in the results
     * @default false
     */
    alpha3Only: boolean;
    /**
     * Whether the flag should be displayed
     * @default true
     */
    showFlag: boolean;
    /**
     * Emits when a country is selected
     * @emits Country - Selected country object
     */
    countrySelected: EventEmitter<Country>;
    /**
     * Emits when the input value changes
     * @emits string - Current search term
     */
    inputChanged: EventEmitter<string>;
    /**
     * Emits when the autocomplete panel is closed
     * @emits void
     */
    closed: EventEmitter<void>;
    filteredCountries$: Observable<Country[]> | undefined;
    private countries;
    height: string;
    private onChange;
    private onTouched;
    ngOnInit(): void;
    writeValue(country: Country | null): void;
    registerOnChange(fn: any): void;
    registerOnTouched(fn: any): void;
    /**
     * Handle option selection
     */
    onOptionSelected(country: Country): void;
    /**
     * Displays the alpha2- or alpha3 code or country name in selected language
     * @public
     * @param country - Country object or null
     * @returns Display name string
     */
    displayFn(country: Country | null): string;
    /**
     * Handles autocomplete panel close event
     * @public
     * @returns void
     */
    onAutocompleteClosed(): void;
    /**
     * TrackBy function for country list optimization
     * @public
     * @param index - Array index
     * @param country - Country object
     * @returns Unique alpha2 code
     */
    trackByAlpha2(index: number, country: Country): string;
    /**
     * Update the displayed language for countries
     */
    private updateLanguage;
    /**
     * Initializes the filter stream with debounce
     * @private
     * @returns void
     */
    private setupFilter;
    /**
     * Filters the list of countries based on include and exclude lists
     * @private
     * @returns void
     */
    private filterCountryList;
    /**
     * Filters countries based on search value
     * @private
     * @param value - Search value (string or Country object)
     * @returns Filtered array of countries
     */
    private filterCountries;
    static ɵfac: i0.ɵɵFactoryDeclaration<CountrySelectComponent, never>;
    static ɵcmp: i0.ɵɵComponentDeclaration<CountrySelectComponent, "ng-country-select", never, { "defaultCountry": { "alias": "defaultCountry"; "required": false; }; "lang": { "alias": "lang"; "required": false; }; "searchAllLanguages": { "alias": "searchAllLanguages"; "required": false; }; "placeholder": { "alias": "placeholder"; "required": false; }; "selectedCountry": { "alias": "selectedCountry"; "required": false; }; "formControl": { "alias": "formControl"; "required": false; }; "debounceTime": { "alias": "debounceTime"; "required": false; }; "appearance": { "alias": "appearance"; "required": false; }; "color": { "alias": "color"; "required": false; }; "disabled": { "alias": "disabled"; "required": false; }; "required": { "alias": "required"; "required": false; }; "showCodes": { "alias": "showCodes"; "required": false; }; "includeCountries": { "alias": "includeCountries"; "required": false; }; "excludeCountries": { "alias": "excludeCountries"; "required": false; }; "alpha2Only": { "alias": "alpha2Only"; "required": false; }; "alpha3Only": { "alias": "alpha3Only"; "required": false; }; "showFlag": { "alias": "showFlag"; "required": false; }; }, { "countrySelected": "countrySelected"; "inputChanged": "inputChanged"; "closed": "closed"; }, never, never, true, never>;
}