void (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<>()); } } } }