public @NotNull List<VirtualFileSystem> getPhysicalFileSystems() {
    List<VirtualFileSystem> physicalFileSystems = new ArrayList<>(myPreCreatedFileSystems);

    ExtensionPoint<KeyedLazyInstance<VirtualFileSystem>> point = myCollector.getPoint();
    if (point != null) {
      for (KeyedLazyInstance<VirtualFileSystem> bean : point.getExtensionList()) {
        if (((VirtualFileSystemBean)bean).physical) {
          VirtualFileSystem fileSystem = bean.getInstance();
          physicalFileSystems.add(fileSystem);
        }
      }
    }

    return physicalFileSystems;
  }
public @NotNull List<VirtualFileSystem> getPhysicalFileSystems()