export default class Event {
    private reason;
    private content?;
    private sessionToken?;
    static USER_STARTED_TYPING: string;
    static USER_STOPPED_TYPING: string;
    static NEW_MESSAGE: string;
    constructor(reason: string, content?: any, sessionToken?: string);
    setReason(reason: string): void;
    getReason(): string;
    setContent(content: any): void;
    getContent(): any;
    setSessionToken(sessionToken: string): void;
    getSessionToken(): string;
}