import { AfterViewInit, ChangeDetectorRef, ElementRef, EventEmitter, OnDestroy, OnInit, Renderer2, ViewContainerRef } from '@angular/core';
import { ControlContainer } from '../../interfaces/ControlContainer';
import { ControlAccessor } from '../../models/ControlAccessor';
import { Overlay, OverlayConfig, OverlayRef } from '@angular/cdk/overlay';
import { SelectOption } from "../control-group/option";
export declare class AzoraSelect extends ControlAccessor implements OnInit, AfterViewInit, OnDestroy {
    private _viewContainerRef;
    private _changeDetectorRef;
    private _elementRef;
    private _renderer;
    private _overlay;
    show_menu: Boolean;
    selected_option: any;
    options: any;
    value: any;
    change: EventEmitter<{}>;
    blur: EventEmitter<{}>;
    invalid: Boolean;
    private _placeholder;
    readonly context: object;
    templates: {
        prepend: any;
        append: any;
        before: any;
        after: any;
        clearable: any;
        feedback_icons: any;
    };
    /** Whether or not the overlay menu is open. */
    private _menuOpen;
    protected overlayRef: OverlayRef;
    /**
     *  Template for AzInput content.
     * @docs-private
     */
    private _implicitContent;
    /**
     * Template provided inside the AzInput view that will be used if present
     * @docs-private
     */
    private _explicitContent;
    private _menuTemplate;
    private _menuTrigger;
    constructor(_viewContainerRef: ViewContainerRef, _changeDetectorRef: ChangeDetectorRef, _elementRef: ElementRef, _renderer: Renderer2, _overlay: Overlay, parent: ControlContainer);
    ngOnInit(): void;
    ngAfterViewInit(): void;
    ngOnDestroy(): void;
    onFocus: () => void;
    onBlur: () => void;
    /** Toggles the overlay panel open or closed. */
    toggle(): void;
    /** Opens the overlay menu. */
    open(): void;
    /** Closes the menu panel and focuses the host element. */
    close(): void;
    protected getOverlayConfig(): OverlayConfig;
    private getPositions;
    private _loadTemplate;
    onToggleMenu: () => void;
    onChange: (opt: SelectOption) => void;
    _showAppendContent(): boolean;
    _showClearableContent(): boolean;
}