private void compensateRemovedContent(final @NotNull Collection<? extends File> compiled, final @NotNull Collection<? extends File> compiledWithErrors) {
    for (final File file : compiled) {
      if (!compiledWithErrors.contains(file)) {
        String relative = toRelative(file);
        if (!myRelativeSourceFilePathToClasses.containsKey(relative)) {
          myRelativeSourceFilePathToClasses.put(relative, new HashSet<>());
        }
      }
    }
  }
private void compensateRemovedContent(final @NotNull Collection<? extends File> compiled, final @NotNull Collection<? extends File> compiledWithErrors)