Automatic type dump of QML module failed with external dependencies

bin
 |- app.exe
 |- foo.dll
 |- qml
   |- Bar
     |- plugin.dll // link against foo.dll
     |- qmldir

Automatic type dump of QML module failed.
Errors:
"Qt\5.13.1\msvc2019_64\bin\qmlplugindump.exe" returned exit code 3.
Arguments: -nonrelocatable Bar 1.0 .
QQmlComponent: Component is not ready
bin/qml/Bar/qmldir: plugin cannot be loaded for module "": Cannot load library bin\qml\Bar\plugin.dll: The specified module could not be found.

void PluginDumper::runQmlDump(const QmlJS::ModelManagerInterface::ProjectInfo &info,
    const QStringList &arguments, const QString &importPath)
{
    QDir wd = QDir(importPath);
    wd.cdUp();
    QProcess *process = new QProcess(this);
    process->setEnvironment(info.qmlDumpEnvironment.toStringList());
    QString workingDir = wd.canonicalPath();
    process->setWorkingDirectory(workingDir);
    connect(process, QOverload<int, QProcess::ExitStatus>::of(&QProcess::finished),
            this, &PluginDumper::qmlPluginTypeDumpDone);
    connect(process, &QProcess::errorOccurred, this, &PluginDumper::qmlPluginTypeDumpError);
    process->start(info.qmlDumpPath, arguments);
    m_runningQmldumps.insert(process, importPath);
}

ModelManagerInterface::ProjectInfo ModelManager::defaultProjectInfoForProject(
        Project *project) const
{
    ...
    ModelManagerInterface::ProjectInfo projectInfo(project);
    projectInfo.qmlDumpEnvironment = Utils::Environment::systemEnvironment();
    ...
}