/// <reference types="node" />
import type WASIFileSystem from "./filesystem";
export type { WASIFileSystem };
import { WASI_FILETYPE } from "./constants";
export interface WASIBindings {
    hrtime: () => bigint;
    exit: (rval: number) => void;
    kill: (signal: string) => void;
    randomFillSync: Function;
    isTTY: (fd: number) => boolean;
    fs: any;
    path: any;
    os?: any;
    child_process?: any;
    posix?: any;
}
export declare type WASIArgs = string[];
export interface WASIEnv {
    [key: string]: string | undefined;
}
export interface WASIPreopenedDirs {
    [key: string]: string;
}
export interface WASIConfig {
    preopens?: WASIPreopenedDirs;
    env?: WASIEnv;
    args?: WASIArgs;
    bindings: WASIBindings;
    spinLock?: (time: number) => void;
    waitForStdin?: () => Buffer;
    sendStdout?: (Buffer: any) => void;
    sendStderr?: (Buffer: any) => void;
}
export declare class WASIError extends Error {
    errno: number;
    constructor(errno: number);
}
export declare class WASIExitError extends Error {
    code: number | null;
    constructor(code: number | null);
}
export declare class WASIKillError extends Error {
    signal: string;
    constructor(signal: string);
}
interface Rights {
    base: bigint;
    inheriting: bigint;
}
export interface File {
    real: number;
    path?: string;
    fakePath?: string;
    rights: Rights;
    offset?: bigint;
    filetype?: WASI_FILETYPE;
}