import * as Package from "../../pkg";
import { BootedCrochet, Crochet, ForeignInterface, IFileSystem, ISignal, TestReportMessage } from "../../crochet";
import { CrochetValue, CrochetTest } from "../../vm";
import { DebugUI } from "../../services/debug/app";
import { EventStream } from "../../utils/event";
export declare class CrochetForBrowser {
    readonly library_base: string;
    readonly capabilities: Set<Package.Capability>;
    readonly interactive: boolean;
    readonly crochet: Crochet;
    readonly debug_ui: DebugUI;
    private _booted_system;
    private _root;
    private _ffi;
    readonly test_report: EventStream<TestReportMessage>;
    constructor(library_base: string, capabilities: Set<Package.Capability>, interactive: boolean);
    get trusted_core(): Set<string>;
    get system(): BootedCrochet;
    get root(): Package.Package;
    get ffi(): ForeignInterface;
    boot_from_file(filename: string, target: Package.Target): Promise<void>;
    boot(entry: Package.Package, target: Package.Target): Promise<void>;
    run(entry: string, args: CrochetValue[]): Promise<CrochetValue<import("../../vm").Tag>>;
    run_tests(run_id: string, filter: (_: CrochetTest) => boolean): Promise<{
        failed: number;
        passed: number;
        skipped: number;
        total: number;
        started: number;
        finished: number;
    }>;
    private package_url;
    private is_trusted;
    fs: IFileSystem;
    signal: ISignal;
}