Template options:
  -c, --choice <val1|val2|val3>  my description
                                 Type: choice
                                   val1  
                                   val3  
                                   val2  
                                 Default: def-val
                                 Default if option is provided without a value: def-val-no-arg
  -in, --int <int>               my int
                                 Type: integer
                                 Default: 0
                                 Default if option is provided without a value: 10
  -b, --bool                     my bool
                                 Type: boolean
                                 Default: false
                                 Default if option is provided without a value: false

