import * as React from 'react';
import { FormItem, IFormItemStates, IInputProps } from './common/FomItem';
export interface INumberInputProps extends IInputProps {
    size: 'small' | 'medium' | 'large';
    variant: 'border-bottom' | 'full-border' | 'floating-label';
    unit: React.ReactNode;
    maximumNumberValue: number;
    minimumNumberValue: number;
    decimalPlace: number;
    disableThousandSeparator: boolean;
    disableCopyAndPaste: boolean;
    assistiveText?: React.ReactNode;
}
export declare class NumberInput extends FormItem<INumberInputProps, IFormItemStates> {
    static defaultProps: INumberInputProps;
    componentDidUpdate(prevProps: any, prevState: any): Promise<void>;
    render(): React.JSX.Element;
    validate(option?: {
        silentValidation?: boolean | undefined;
    }): string | undefined;
    protected valueToDisplayValue(value: string | null | undefined): string;
    private onNumberChange;
    private validateValueCanChanged;
    private numberWithCommas;
    private numberParser;
    private disableCopyAndPaste;
    private handleFocus;
    private handleBlur;
}