message property
A generic exception for a given invalid GatorConfig.
Implementation
final message = '''
A "gator" entry must be specified.
Example:
```yaml
gator:
class: MyColors
output: example/colors.g.dart
colors:
royalBlue: '0xff062091'
grey: '#d6d6d6'
rebeccaPurple: '663399'
```
''';