export declare const TargetSystem: {
    key: symbol;
    priority: number | import("@chantey/ecs").AnySystemDefinition;
    init: import("@chantey/ecs").InitSystem<import("@chantey/ecs").World<any>, {
        update: () => void;
        stop: () => void;
        commands: any[];
        createTarget: (range?: number) => number;
    }>;
};