extern const char* const template_suffix;
extern const char* const statefile_suffix;
extern const char* const pending_suffix;
+extern const char* const peakfile_suffix;
+extern const char* const backup_suffix;
+extern const char* const temp_suffix;
+extern const char* const history_suffix;
+extern const char* const export_preset_suffix;
+extern const char* const export_format_suffix;
}