public @NotNull String getVmOptions(@Nullable String workingDirectory) {
    String vmOptions = MavenWorkspaceSettingsComponent.getInstance(myProject)
      .getSettings().getImportingSettings().getVmOptionsForImporter();
    if (workingDirectory == null || !StringUtil.isEmptyOrSpaces(vmOptions)) {
      return vmOptions;
    }

    String multiModuleDir = myWorkingDirToMultiModuleMap.computeIfAbsent(workingDirectory, this::resolveMultiModuleDirectory);
    return myVmSettingsMap.computeIfAbsent(multiModuleDir, MavenExternalParameters::readJvmConfigOptions);
  }
public @NotNull String getVmOptions(@Nullable String workingDirectory)