/// <amd-module name="nova_ecs/async_system" />
import { Patch } from "immer";
import { ArgsToData, ArgTypes, UUID } from "./arg_types";
import { Plugin } from "./plugin";
import { Resource } from "./resource";
import { BaseSystemArgs, System } from "./system";
import { DefaultMap } from "./utils";
declare class AsyncSystemData {
    systems: DefaultMap<string, DefaultMap<string, {
        patches: Patch[][];
        promise: Promise<void>;
        running?: boolean;
    }>>;
    done: Promise<void>;
}
export declare const AsyncSystemResource: Resource<AsyncSystemData>;
export interface AsyncSystemArgs<StepArgTypes extends readonly ArgTypes[]> extends BaseSystemArgs<StepArgTypes> {
    step: (...args: ArgsToData<StepArgTypes>) => Promise<void | boolean>;
    exclusive?: boolean;
    skipIfApplyingPatches?: boolean;
    alwaysRunOnEvents?: boolean;
}
declare const OptionalStepEvent: import("nova_ecs/arg_modifier").ArgModifier<readonly [typeof import("nova_ecs/arg_types").GetArg], import("nova_ecs/events").EcsEvent<true, true> | undefined>;
export declare class AsyncSystem<StepArgTypes extends readonly ArgTypes[] = readonly ArgTypes[]> extends System<[typeof AsyncSystemResource, typeof UUID, typeof OptionalStepEvent, ...StepArgTypes]> {
    constructor(systemArgs: AsyncSystemArgs<StepArgTypes>);
}
export declare const AsyncSystemPlugin: Plugin;
export {};