import { Component } from "../../core/Component";
import type { Entity } from "../../core/Entity";
export declare class Timer extends Component<[
    fn: () => void,
    timeout: number,
    periodic: boolean,
    oncePerUpdate: boolean,
    next?: number,
    derivedIndex?: number
]> {
    static argMap: string[];
    private static derivedCallbacks;
    static registerDerviedCallback: (fn: () => () => void) => number;
    readonly fn: () => void;
    readonly timeout: number;
    readonly periodic: boolean;
    readonly oncePerUpdate: boolean;
    readonly derivedIndex?: number;
    next: number;
    constructor(entity: Entity, fn: () => void, timeout: number, periodic?: boolean, oncePerUpdate?: boolean, next?: number, derivedIndex?: number);
    initialize(fn: () => void, timeout: number, periodic: boolean, oncePerUpdate: boolean, next?: number, derivedIndex?: number): void;
    static fromJSON(entity: Entity, timeout: number, periodic: boolean, oncePerUpdate: boolean, next?: number, derivedIndex?: number): Timer;
}