import { DynamicValue, Listener, Unsubscriber } from "./DynamicValue";
/**
 * A [[DynamicValue]] that contains the Unix time
 *
 * @example
 * ```javascript
 * new DateValue()
 * ```
 */
export declare class DateValue implements DynamicValue<string> {
    __variant__: string;
    name: string | void;
    constructor(name?: string);
    onValue(listener: Listener<string>): Unsubscriber;
    getValue(): Promise<string>;
    static fromJSON(json: {
        name?: string;
    }): DateValue;
}