private @NotNull String describeAlreadyCreatedFile(int fileId) {
      FSRecordsImpl vfsPeer = owningVfsData.owningPersistentFS.peer();
      int parentId = vfsPeer.getParent(fileId);
      int nameId = vfsPeer.getNameIdByFileId(fileId);
      String fileName = vfsPeer.getNameByNameId(nameId);
      String description = "fileId=" + fileId +
                           "; nameId=" + nameId + "(" + fileName + ")" +
                           "; parentId=" + parentId;
      if (parentId > 0) {
        description += "; parent.name=" + vfsPeer.getName(parentId)
                       + "; parent.children=" + vfsPeer.list(parentId) + "; ";
      }
      return description;
    }
private @NotNull String describeAlreadyCreatedFile(int fileId)