message: This is supposed to be optional
diff: @@ -98,7 +98,7 @@ A good pattern for reading optional configuration values is to use the `??`
  operator. For example:
  ```ts
  -const title = config.getString('my-plugin.title') ?? 'My Plugin';
  +const title = config.getOptionalString('my-plugin.title') ?? 'My Plugin';
  ```
  To read required configuration, simply use the methods without `Optional`, for
  