import { type QuickJSContext, type QuickJSRuntime, type QuickJSWASMModule } from 'quickjs-emscripten';
import { VMInitOpts } from './types';
import { Marshaller } from './marshal';
export declare class VMManager {
    module?: QuickJSWASMModule;
    runtime?: QuickJSRuntime;
    vm?: QuickJSContext;
    marshaller: Marshaller;
    ready: boolean;
    private _readyPromise?;
    private vmContextMapKey;
    constructor();
    init({ debug, async, runtimeOpts, contextOpts, variant, variantOptions }?: VMInitOpts): Promise<void>;
    teardown(): Promise<void>;
    awaitReady(): Promise<true>;
    requireVM(): QuickJSContext;
    registerVMGlobal(key: string, val: any): void;
    eval(code: string): any;
    scopedEval(code: string, contextVars: Record<string, any>): any;
    private setReady;
    private getVariant;
    private getOrCreateContextMap;
}