export interface IKVPair {
    "key": string;
    "value": string;
}
/**
 *
 *
 * @class Event
 */
export declare class Event {
    /**
     *
     * Creates a Event object using a JSON string
     * @param {String} json - JSON string.
     * @returns {Event} - Event object.
     * @memberof Event
     */
    static fromJSON(json: string): Event;
    readonly type: string;
    readonly attributes: IKVPair[];
    /**
     * Creates a Event.
     * @constructor
     * @param {string} type -
     * @param {IKVPair} attributes -
     */
    constructor(type: string, attributes: IKVPair[]);
    /**
     *
     * Creates a JSON object with the Event properties
     * @returns {JSON} - JSON Object.
     * @memberof Event
     */
    toJSON(): {
        type: string;
        attributes: IKVPair[];
    };
    /**
     *
     * Verify if all properties are valid
     * @returns {boolean} - True or false.
     * @memberof Event
     */
    isValid(): boolean;
}