public @Nullable MavenDistribution getWrapper(@NotNull String workingDirectory) {
    String multiModuleDir = myWorkingDirToMultiModuleMap.computeIfAbsent(workingDirectory, this::resolveMultiModuleDirectory);
    String distributionUrl = getWrapperDistributionUrl(multiModuleDir);
    return (distributionUrl != null) ? MavenWrapperSupport.getCurrentDistribution(distributionUrl) : null;
  }
public @Nullable MavenDistribution getWrapper(@NotNull String workingDirectory)