void (@NotNull VirtualFile file, @NotNull FileAttributes.CaseSensitivity newCaseSensitivity) { VirtualDirectoryImpl directory = (VirtualDirectoryImpl)file; setFlag(directory, Flags.CHILDREN_CASE_SENSITIVE, newCaseSensitivity == FileAttributes.CaseSensitivity.SENSITIVE); setFlag(directory, Flags.CHILDREN_CASE_SENSITIVITY_CACHED, true); directory.setCaseSensitivityFlag(newCaseSensitivity); }