Configuration for a cover image for e-books (EPUB or PDF).
The optional classifier can be used if the @:select directive
is used to produce multiple e-books with slightly different content.
The classifier would refer to the name of the configured choice,
or in case of multiple choices, to the combination of their names concatenated with -.
- Companion:
- object
trait Serializable
trait Product
trait Equals
class Object
trait Matchable
class Any