/// <reference types="node" />
import vm from 'vm';
export declare type ContextifyOptions = {
    contextModuleName?: string;
    persistentCache?: object;
    allowSourcemaps?: boolean;
    buildByExtension?: Record<string, (filepath: string) => string> | null;
    mock?: ((params: {
        moduleName: string;
        filename: string;
        payload: object;
    }) => any) | null;
    getFileContents?: ((filename: string) => string) | null;
    resolveModule?: ((path: string, currentDirname: string) => string | null) | null;
};
declare type PrepareRequireArgs = {
    currentDirname: string;
    transitiveCache?: object;
    payload: object;
    sandbox?: object | vm.Context | true;
    vmContext?: vm.Context | null;
};
export declare class Contextify {
    allBranches: Set<unknown>;
    persistentCache: Record<string, any>;
    filePathCache: any;
    buildByExtension: ContextifyOptions['buildByExtension'];
    allowSourcemaps: boolean;
    mock: ((params: {
        moduleName: string;
        filename: string;
        payload: object;
    }) => any) | null;
    contextModuleName: string;
    getFileContents: (filename: string) => any;
    resolveModule: (path: string, currentDirname: string) => string;
    constructor(options: ContextifyOptions);
    prepareRequire: (config: PrepareRequireArgs) => (moduleName: string) => any;
    _readFileWrapped: (filename: string) => any;
    _findNodeModulePath: (path: string, currentDirname: string) => string;
    diskFilesCache: any;
    _readFileFromDisk: (filename: string) => any;
    static prepareContext(sandbox: object): vm.Context;
}
export {};