import { Observable } from 'rxjs';
import { Type } from '@angular/core';
import { Picker } from './picker.component';
import { PickerOptions } from './picker.model';
import { ModalService } from '../modal/modal.service';
import { ExtensionService } from '../../core/extension/extension.service';
import * as i0 from "@angular/core";
export declare class PickerService {
    private extensionService;
    private modalService;
    private pickers;
    private PICKER_EXTENSION_TYPE;
    constructor(extensionService: ExtensionService, modalService: ModalService);
    registerPickers(): void;
    registerPicker(type: string, picker: Type<Picker>): void;
    pick(type: string, pickerOptions?: PickerOptions): Observable<any>;
    static ɵfac: i0.ɵɵFactoryDeclaration<PickerService, never>;
    static ɵprov: i0.ɵɵInjectableDeclaration<PickerService>;
}