import PropTypes from 'prop-types';
import { IMessage } from './Models';
export declare const StylePropType: PropTypes.Requireable<number | boolean | object>;
export declare function isSameDay(currentMessage: IMessage, diffMessage: IMessage | null | undefined): boolean;
export declare function isSameUser(currentMessage: IMessage, diffMessage: IMessage | null | undefined): boolean;
export declare const warning: (...args: any) => void;
export declare const error: (...args: any) => void;