code: function StackTrace$$getSync(opts) {
              opts = _merge(_options, opts);
              var err = _generateError();
              var stack = _isShapedLikeParsableError(err) ? ErrorStackParser.parse(err) : StackGenerator.backtrace(opts);
              return _filtered(stack, opts.filter);
          }
docs: Get a backtrace from invocation point.
  IMPORTANT: Does not handle source maps or guess function names!
  
  @param {Object} opts
  @returns {Array} of StackFrame