# Type.Undefined

Creates an Undefined type.

> ⚠️ This is type is cannot be expressed with Json. Do not use if publishing types for other languages to consume.

## Example

Example usage is shown below.

    const T = Type.Undefined()                          // const T = {
                                                        //   type: 'undefined'
                                                        // }

    type T = Static<typeof T>                           // type T = undefined

## Guard

    Type.IsUndefined(value)                             // value is TUndefined