import { OnInit, EventEmitter, ChangeDetectorRef } from '@angular/core';
import { FormControl } from '@angular/forms';
import { Observable } from 'rxjs';
interface TimezoneGroup {
    country: string;
    iso: string;
    showGroup?: boolean;
    zones: {
        zone: string;
        name: string;
        offset: string;
    }[];
}
export declare class NgxTimezonesComponent implements OnInit {
    private cdRef;
    timezoneCtrl: FormControl;
    timezoneGroups: TimezoneGroup[];
    timezoneGroupsOptions: Observable<TimezoneGroup[]>;
    searchControl: FormControl;
    timezoneChange: EventEmitter<string>;
    set timezone(timezone: string);
    set disabled(value: boolean);
    guess: boolean;
    showOffset: boolean;
    placeholder: string;
    searchPlaceholder: string;
    noResultsLabel: string;
    offsetName: string;
    constructor(cdRef: ChangeDetectorRef);
    ngOnInit(): void;
    guessedTimezone(): void;
    emitTimezone(zone: any): void;
    initData(): void;
    filter(query: string): TimezoneGroup[];
    formatTimezoneString(zone: string): string;
    offsetOfTimezone(zone: string): string;
    formatOffset(offset: string): string;
    private rjust;
}
export {};