import { rosapi } from '../types/rosapi.ts';
import { default as Ros } from './Ros.ts';
/**
 * A ROS parameter.
 */
export default class Param<T = unknown> {
    ros: Ros;
    name: string;
    /**
     * @param options
     * @param options.ros - The ROSLIB.Ros connection handle.
     * @param options.name - The param name, like max_vel_x.
     */
    constructor({ ros, name }: {
        ros: Ros;
        name: string;
    });
    /**
     * Fetch the value of the param.
     *
     * @param callback - The callback function.
     * @param [failedCallback] - The callback function when the service call failed or the parameter retrieval was unsuccessful.
     */
    get(callback: (value: T) => void, failedCallback?: (error: string) => void): void;
    /**
     * Set the value of the param in ROS.
     *
     * @param value - The value to set param to.
     * @param [callback] - The callback function.
     * @param [failedCallback] - The callback function when the service call failed or the parameter setting was unsuccessful.
     */
    set(value: T, callback?: (message: rosapi.SetParamResponse) => void, failedCallback?: (error: string) => void): void;
    /**
     * Delete this parameter on the ROS server.
     *
     * @param callback - The callback function.
     * @param [failedCallback] - The callback function when the service call failed or the parameter deletion was unsuccessful.
     */
    delete(callback: (message: rosapi.DeleteParamResponse) => void, failedCallback?: (error: string) => void): void;
}