import * as React from 'react'; interface Message { id?: string; severity?: 'success' | 'info' | 'warn' | 'error', summary?: React.ReactNode; detail?: React.ReactNode; closable?: boolean; sticky?: boolean; life?: number; } interface MessagesProps { id?: string; className?: string; style?: object; onRemove?(message: Message): void; onClick?(message: Message): void; } export class Messages extends React.Component { public show(message: Message | Message[]): void; public clear(): void; public replace(message: Message | Message[]): void; }