import { EventEmitter, OnChanges } from '@angular/core';
export declare class Stepper implements OnChanges {
    prefixCls: string;
    upDisableCls: object;
    downDisableCls: object;
    stepperCls: object;
    private _max;
    private _min;
    private _value;
    private _step;
    private _defaultValue;
    private _disabled;
    private _readOnly;
    private _showNumber;
    private _upDisabled;
    private _downDisabled;
    private _isUpClick;
    private _isDownClick;
    max: number;
    min: number;
    value: number;
    step: number;
    defaultValue: any;
    disabled: boolean;
    readOnly: boolean;
    showNumber: boolean;
    onChange: EventEmitter<any>;
    clsStepper: boolean;
    clsStpDisabled: boolean;
    clsShowNum: boolean;
    constructor();
    onIncrease(): void;
    onDecrease(): void;
    inputChange(event: any): void;
    setCls(): void;
    ngOnChanges(): void;
}