/// <amd-module name="nova_ecs/provider" />
import { ArgsToData, ArgTypes, GetEntity, UUID } from "./arg_types";
import { AsyncSystem } from "./async_system";
import { Component } from "./component";
import { EcsEvent } from "./events";
import { Plugin } from "./plugin";
import { Resource } from "./resource";
import { System, SystemArgs } from "./system";
import { DefaultMap } from "./utils";
export declare const ChangeEvents: DefaultMap<Component<any>, EcsEvent<true, true>>;
declare type Without<T, K> = Pick<T, Exclude<keyof T, K>>;
declare type ProvideArgs<Data, Args extends readonly ArgTypes[]> = Without<SystemArgs<Args>, 'step' | 'events'> & {
    provided: Component<Data>;
    factory: (...args: ArgsToData<Args>) => Data;
    update?: Iterable<Component<any>>;
};
export declare function Provide<Data, Args extends readonly ArgTypes[]>({ name, provided, update, factory, args, before, after }: ProvideArgs<Data, Args>): System<readonly [import("nova_ecs/arg_modifier").ArgModifier<readonly [typeof import("nova_ecs/arg_types").GetArg], Component<Data> | undefined>, typeof GetEntity, import("nova_ecs/arg_modifier").ArgModifier<readonly [typeof import("nova_ecs/arg_types").GetArg], EcsEvent<true, true> | undefined>, ...Args]>;
declare type AsyncProviderData = Map<string, Map<string, Symbol | undefined>>;
declare type ProvideAsyncArgs<Data, Args extends readonly ArgTypes[]> = Without<SystemArgs<Args>, 'step' | 'events'> & {
    provided: Component<Data>;
    factory: (...args: ArgsToData<Args>) => Data | Promise<Data>;
    update?: Iterable<Component<any>>;
    onError?: (err: Error) => void;
};
export declare function ProvideAsync<Data, Args extends readonly ArgTypes[]>({ name, provided, update, factory, args, before, after, onError }: ProvideAsyncArgs<Data, Args>): AsyncSystem<readonly [import("nova_ecs/arg_modifier").ArgModifier<readonly [typeof import("nova_ecs/arg_types").GetArg], Component<Data> | undefined>, Resource<AsyncProviderData>, typeof UUID, typeof GetEntity, import("nova_ecs/arg_modifier").ArgModifier<readonly [typeof import("nova_ecs/arg_types").GetArg], EcsEvent<true, true> | undefined>, ...Args]>;
export declare const ProvidePlugin: Plugin;
export {};