import { XorShift } from "../../utils";
import { IDatabase } from "../logic";
import { Environment, World } from "../world";
export declare class State {
    readonly random: XorShift;
    readonly world: World;
    readonly env: Environment;
    readonly database: IDatabase;
    constructor(random: XorShift, world: World, env: Environment, database: IDatabase);
    static root(world: World): State;
    with_random(random: XorShift): State;
    with_env(env: Environment): State;
    with_new_env(): State;
    with_database(db: IDatabase): State;
}