import { OnDestroy, OnInit, OnChanges, SimpleChanges, Renderer2, EventEmitter, ViewContainerRef } from '@angular/core';
import { ControlValueAccessor } from '@angular/forms';
import { BreakpointObserver } from '@angular/cdk/layout';
import { MatBottomSheet, MatBottomSheetRef } from '@angular/material/bottom-sheet';
import { OverlayRef, CdkOverlayOrigin, Overlay } from '@angular/cdk/overlay';
import { TemplatePortalDirective } from '@angular/cdk/portal';
import { OptionsInterface } from '../options.interface';
export declare class NmCascadeListComponent implements OnInit, OnDestroy, OnChanges, ControlValueAccessor {
    private renderer;
    private breakpointObserver;
    private bottomSheet;
    private overlay;
    private viewContainerRef;
    id: string;
    overlayRef: OverlayRef;
    overlayOrigin: CdkOverlayOrigin;
    cascadeMenuTemplate: TemplatePortalDirective;
    disabled: boolean;
    placeholder: string;
    appearance: 'legacy' | 'standard' | 'fill' | 'outline';
    floatLabel: 'never' | 'always' | 'auto';
    label: string;
    touchUi: boolean;
    private _touchUi;
    bottomSheetRef: MatBottomSheetRef;
    options: Array<OptionsInterface>;
    clearable: boolean;
    fullLevels: boolean;
    changeOnSelect: boolean;
    model: Array<string>;
    modelChange: EventEmitter<any>;
    clear: EventEmitter<boolean>;
    private ngUnsubscribe;
    steps: Array<Array<OptionsInterface>>;
    menuVisible: boolean;
    inputHover: boolean;
    currentLabels: Array<OptionsInterface>;
    globalListenFunc: Function;
    inputValue: string;
    constructor(renderer: Renderer2, breakpointObserver: BreakpointObserver, bottomSheet: MatBottomSheet, overlay: Overlay, viewContainerRef: ViewContainerRef);
    private controlChange;
    private controlTouch;
    private setInputValue;
    ngOnInit(): void;
    ngOnChanges(changes: SimpleChanges): void;
    init(): void;
    writeValue(value: any): void;
    registerOnChange(fn: Function): void;
    registerOnTouched(fn: Function): void;
    clickHandle(event: MouseEvent): void;
    changeLabels(): void;
    clearValue(event?: Event): void;
    reset(): void;
    initSteps(index: any, options: any): void;
    selectHandle({ step, index }: {
        step: number;
        index: number;
    }): any;
    showClearIcon(): boolean;
    openCascadeMenu(): void;
    closeCascadeMenu(): void;
    openBottomSheet(): void;
    private getOverlayConfig;
    ngOnDestroy(): void;
}