import type { MainConnection, WorkerConnection, WorldType } from './componentModel';
import type * as d from './disposable';
interface _TextEncoder {
    encode(input?: string): Uint8Array;
}
interface _TextDecoder {
    decode(input?: Uint8Array): string;
}
interface _ConnectionPort {
    postMessage(message: any, ...args: any[]): void;
    on?(event: 'message', listener: (value: any) => void): this;
    onmessage?: ((this: any, ev: any) => any) | null;
}
interface RAL {
    readonly TextEncoder: {
        create(encoding?: string): _TextEncoder;
    };
    readonly TextDecoder: {
        create(encoding?: string): _TextDecoder;
    };
    readonly console: {
        info(message?: any, ...optionalParams: any[]): void;
        log(message?: any, ...optionalParams: any[]): void;
        warn(message?: any, ...optionalParams: any[]): void;
        error(message?: any, ...optionalParams: any[]): void;
    };
    readonly timer: {
        setTimeout(callback: (...args: any[]) => void, ms: number, ...args: any[]): d.Disposable;
        setImmediate(callback: (...args: any[]) => void, ...args: any[]): d.Disposable;
        setInterval(callback: (...args: any[]) => void, ms: number, ...args: any[]): d.Disposable;
    };
    readonly Connection: {
        createMain(port: RAL.ConnectionPort): Promise<MainConnection>;
        createWorker(port: RAL.ConnectionPort | undefined, world: WorldType, timeout?: number): Promise<WorkerConnection>;
    };
    readonly Worker: {
        getPort(): RAL.ConnectionPort;
        getArgs(): string[];
        exitCode: number | undefined;
    };
    readonly WebAssembly: {
        compile(bytes: Uint8Array): Promise<WebAssembly_.Module>;
        instantiate(module: WebAssembly_.Module, imports: WebAssembly_.Imports): Promise<WebAssembly_.Instance>;
    };
}
declare function RAL(): RAL;
declare namespace RAL {
    type TextEncoder = _TextEncoder;
    type TextDecoder = _TextDecoder;
    type Disposable = d.Disposable;
    type ConnectionPort = _ConnectionPort;
    function install(ral: RAL): void;
    function isInstalled(): boolean;
}
export default RAL;