import Scheduler from "./scheduler.js";
export interface SpeedActor {
    getSpeed: () => number;
}
/**
 * @class Speed-based scheduler
 */
export default class Speed<T extends SpeedActor = SpeedActor> extends Scheduler<T> {
    /**
     * @param {object} item anything with "getSpeed" method
     * @param {bool} repeat
     * @param {number} [time=1/item.getSpeed()]
     * @see ROT.Scheduler#add
     */
    add(item: T, repeat: boolean, time?: number): this;
    /**
     * @see ROT.Scheduler#next
     */
    next(): any;
}