import * as express from 'express';
import * as core from 'domoja-core';
export declare class DevicesService {
    /**
     * Retrieves the list of devices
     */
    getDevices(): {
        id: string;
        path: string;
        state: any;
        lastUpdateDate: Date;
        name: string;
        type: core.DeviceType;
        source: string;
        widget: core.WidgetType;
        tags: string;
    }[];
    /**
     * Retrieves a device
     * @param name path of the device
     */
    get(name: string): {
        id: string;
        path: string;
        state: any;
        lastUpdateDate: Date;
        name: string;
        type: core.DeviceType;
        source: string;
        widget: core.WidgetType;
        tags: string;
    };
    /**
     * Sends a command to a device
     * @param name path of the device
     * @param command command sent to the device
     */
    sendCommand(name: string, command: string): Promise<string>;
    private doGet;
    /**
     * Get a snapshot from a camera device
     * @param name path of the device
     * Cached if ?t=NNNN is append
     */
    getSnapshot(name: string, res: express.Response, req: express.Request): "Not a camera!" | Promise<{}>;
    /**
     * Get a stream from a camera device
     * @param name path of the device
     * Cached if ?t=NNNN is append
     */
    getStream(name: string, res: express.Response, req: express.Request): "Not a camera!" | Promise<{}>;
    /**
     * Get the history of a device
     * @param name path of the device
     * @param aggregate type of aggregation: none|minute|hour|day|week|month|year
     * @param from from date, in YYYY-MM-DD or JSON formats, included
     * @param to from date, in YYYY-MM-DD or JSON formats, included
     */
    getHistory(name: string, aggregate: "none" | "minute" | "hour" | "day" | "month" | "year", from: string, to: string): Promise<{}>;
}