import React, { Component } from 'react';
import { Props as TextFieldPropsType } from '../TextField';
type OmittedKeys = 'onChange' | 'value' | 'type';
type FieldTypes = 'number' | 'text';
export type PropsType = Pick<TextFieldPropsType, Exclude<keyof TextFieldPropsType, OmittedKeys>> & {
    value: number | null;
    disableNegative?: boolean;
    allowDecimals?: boolean;
    minimumFractionDigits?: number;
    maximumFractionDigits?: number;
    maximumValue?: number;
    minimumValue?: number;
    characterLimit?: number;
    locale?: string;
    onChange(value: number | null): void;
};
interface StateType {
    value: string;
    savedValue: number | null;
    decimalSeparator: string;
    fieldType: FieldTypes;
}
declare class NumberField extends Component<PropsType, StateType> {
    private formatter;
    constructor(props: PropsType);
    private format;
    private setFormatter;
    private getSeparator;
    private hasValidLength;
    private isEqualToOrLowerThanMaximum;
    private isEqualToOrHigherThanMinimum;
    private convertToNumeric;
    private validateInput;
    private handleChange;
    componentDidUpdate(prevProps: PropsType): void;
    private setFeedbackIfEmpty;
    render(): React.JSX.Element;
    private determineFieldType;
}
export default NumberField;