.result {
  output: #{#{"["'foo   '"]"    "bar"}};
  output: #{"[#{"["'foo   '"]"    "bar"}]"};
  output: #{"#{"["'foo   '"]"    "bar"}"};
  output: #{'#{"["'foo   '"]"    "bar"}'};
  output: #{"['#{"["'foo   '"]"    "bar"}']"};
}