anchor.diff:  .format Examples
   |============================================================================
   | Expression | Value
  -| `${time:format("yyyy/MM/dd HH:mm:ss.SSS'Z'", "GMT")}` | `2014/12/31 20:36:03.264Z`
  -| `${time:format("yyyy/MM/dd HH:mm:ss.SSS'Z'", "America/Los_Angeles")}` | `2014/12/31 12:36:03.264Z`
  -| `${time:format("yyyy/MM/dd HH:mm:ss.SSS'Z'", "Asia/Tokyo")}` | `2015/01/01 05:36:03.264Z`
  +| `${time:format("yyyy/MM/dd HH:mm:ss.SSS\'Z'", "GMT")}` | `2014/12/31 20:36:03.264Z`
  +| `${time:format("yyyy/MM/dd HH:mm:ss.SSS\'Z'", "America/Los_Angeles")}` | `2014/12/31 12:36:03.264Z`
  +| `${time:format("yyyy/MM/dd HH:mm:ss.SSS\'Z'", "Asia/Tokyo")}` | `2015/01/01 05:36:03.264Z`
   | `${time:format("yyyy/MM/dd", "GMT")}` | `2014/12/31`
  -| `${time:format("HH:mm:ss.SSS'Z'", "GMT")}` | `20:36:03.264Z`
  +| `${time:format("HH:mm:ss.SSS\'Z'", "GMT")}` | `20:36:03.264Z`
   | `${time:format("yyyy", "GMT")}` | `2014`
   |============================================================================
   
  
positive.code: | `${abc}` | `xyz` |
  | `$${abc}` | `${abc}` |
  | `$$${abc}` | `$xyz` |
  | `$$$${abc}` | `$${abc}` |
  | `$$$$${abc}` | `$$xyz` |
  | `I owe you $5` | `I owe you $5` | No actual Expression is present here.
  | `You owe me $$5 too` | `You owe me $$5 too` | The $ character is not escaped because it does not immediately precede an Expression.
  | `Unescaped $$${5 because no closing brace` | `Unescaped $$${5 because no closing brace` | Because there is no closing brace here, there is no actual Expression and hence the $ characters are not
  
negative.code: - \r (carriage return)
  - \n (new-line)
  
  Additionally, a number is considered a "special character" if it is the first character of the attribute name.
  If any of these special characters is present in an attribute is quoted by using either single or double quotes.
  The Expression Language allows single quotes and double quotes to be used interchangeably. For example, the following
  can be used to escape an attribute named `my attribute`: `${"my attribute"}` or `${'my attribute'}`.
  
  In this example, the value to be returned is the value of the "my attribute" value, if it exists. If that attribute
  does not exist, the Expression Language will then look for a System Environment Variable named "my attribute." If
  