@NotNull
  public String makeLambda(@NotNull PsiExpression expression) {
    if (myDefaultLambdaParameters.length == 0) {
      return "()->" + expression.getText();
    }
    JavaCodeStyleManager manager = JavaCodeStyleManager.getInstance(expression.getProject());
    String params = StreamEx.of(myDefaultLambdaParameters)
                            .map(param -> manager.suggestUniqueVariableName(param, expression, true))
                            .joining(",");
    if (myDefaultLambdaParameters.length != 1) {
      params = "(" + params + ")";
    }
    return params + "->" + expression.getText();
  }
@NotNull
  public String makeLambda(@NotNull PsiExpression expression)