public void prepare(@NotNull Collection<? extends FilePath> toBeAdded,
                      @NotNull Collection<? extends FilePath> toBeDeleted) {
    processAddition(toBeAdded);
    processDeletion(toBeDeleted);
  }
public void prepare(@NotNull Collection<? extends FilePath> toBeAdded,
                      @NotNull Collection<? extends FilePath> toBeDeleted)