public boolean isMaxCountSupportedForProject() {
    for (AbstractVcs vcs : ProjectLevelVcsManager.getInstance(myProject).getAllActiveVcss()) {
      final CommittedChangesProvider provider = vcs.getCommittedChangesProvider();
      if (provider instanceof CachingCommittedChangesProvider cachingProvider) {
        if (!cachingProvider.isMaxCountSupported()) {
          return false;
        }
      }
    }
    return true;
  }
public boolean isMaxCountSupportedForProject()