text: keep_properties: {
      options = {
          properties: false
      };
      input: {
          a["foo"] = "bar";
      }
      expect: {
          a["foo"] = "bar";
      }
  }
  
  dot_properties: {
      options = {
          properties: true
      };
      input: {
          a["foo"] = "bar";
          a["if"] = "if";
      }
      expect: {
          a.foo = "bar";
          a["if"] = "if";
      }
  }
  