message: Add hint for future improvement
diff: @@ -70,6 +70,13 @@ class RefactoringActionProvider implements vscode.CodeActionProvider {
  t.traverseAST(ast, {
  enter: (path) => {
  + /**
  + * Hint for perf improvement
  + * =========================
  + *
  + * It seems we're trying each refactoring on each Node of the AST.
  + * We could filter nodes for which selection isn't inside!
  + */
  this.refactorings.forEach((refactoring) => {
  const {
  actionProvider,
  