import { IEntity, State, IAction } from './state';
export declare type Handler = (value: any, value2?: any) => void;
export interface ISystem {
    start: (state: State) => void;
    stop: () => void;
    add: (entity: IEntity) => void;
    handles: (...components: string[]) => boolean;
    remove: (entity: IEntity) => void;
    update: (entity: IEntity, component: string) => void;
    configuration: (value: any) => void;
    has: (entity: IEntity | string) => boolean;
    tick: (delta: number) => void;
    watch: (components: {
        [key: string]: Handler;
    }) => void;
}
export declare const Config: (key: string) => (target: any, prop: string, description: PropertyDescriptor) => void;
export declare const Component: (...keys: string[]) => (target: any, prop: string, description: PropertyDescriptor) => void;
export interface ISystemConstructor {
    new (): ISystem;
}
export declare const Components: (...components: string[]) => <T extends ISystemConstructor>(constructor: T) => void;
export declare class System implements ISystem {
    protected component_handler: {
        [key: string]: Handler;
    };
    protected config_handler: {
        [key: string]: Handler;
    };
    protected config: any;
    protected state: State;
    protected entities: {
        [key: string]: IEntity;
    };
    constructor();
    handles(...components: string[]): boolean;
    watch(components: {
        [key: string]: Handler;
    }): void;
    configuration(config: any): void;
    start(state: State): void;
    stop(): void;
    update(entity: IEntity, component: string): void;
    add(entity: IEntity): void;
    remove(entity: IEntity): void;
    has(entity: IEntity | string): boolean;
    tick(delta: number): void;
    protected actions(actionMap: {
        [key: string]: (action: IAction) => void;
    }): void;
    protected dispatch(action: IAction, next?: boolean): void;
}