text: typeof_eq_undefined: {
      options = {
          comparisons: true
      };
      input: { a = typeof b.c != "undefined" }
      expect: { a = "undefined" != typeof b.c }
  }
  
  typeof_eq_undefined_unsafe: {
      options = {
          comparisons: true,
          unsafe: true
      };
      input: { a = typeof b.c != "undefined" }
      expect: { a = void 0 !== b.c }
  }
  
  typeof_eq_undefined_unsafe2: {
      options = {
          comparisons: true,
          unsafe: true
      };
      input: { a = "undefined" != typeof b.c }
      expect: { a = void 0 !== b.c }
  }
  