import { CrochetTest, World } from "../runtime";
import { CrochetPackage, PackageGraph, RestrictedCrochetPackage, Target } from "../runtime/pkg";
import { Plugin } from "../plugin";
export declare abstract class CrochetVM {
    readonly world: World;
    readonly registered_packages: Map<string, CrochetPackage>;
    readonly loaded_packages: Set<string>;
    constructor();
    get ffi(): import("../runtime").ForeignInterface;
    reseed(seed: number): void;
    abstract read_file(filename: string): Promise<string>;
    abstract load_native(filename: string): Promise<(_: Plugin) => Promise<void> | void>;
    abstract initialise(): Promise<void>;
    abstract prelude: string[];
    load_source(filename: string, pkg: RestrictedCrochetPackage): Promise<void>;
    load_crochet(filename: string, pkg: RestrictedCrochetPackage): Promise<void>;
    register_package(name: string, pkg: CrochetPackage): Promise<void>;
    read_package_from_file(filename: string): Promise<CrochetPackage>;
    get_package(name: string): Promise<CrochetPackage>;
    load_package(pkg: RestrictedCrochetPackage): Promise<void>;
    load_graph(graph: PackageGraph, pkg: RestrictedCrochetPackage): Promise<void>;
    resolve(filename: string, target: Target): Promise<{
        graph: PackageGraph;
        pkg: RestrictedCrochetPackage;
    }>;
    run(scene: string): Promise<unknown>;
    run_initialisation(): Promise<void>;
    run_tests(filter: (_: CrochetTest) => boolean): Promise<any[]>;
    show_error(error: unknown): Promise<void>;
    format_error(error: unknown): string;
}