public void explain(DiagnosticsVisitor visitor) {
        }
    }

    private static class MissingTool implements CommandLineToolSearchResult {
        private final ToolType type;
        private final String exeName;
        private final List<File> path;

        private MissingTool(ToolType type, String exeName, List<File> path) {
            this.type = type;
            this.exeName = exeName;