Define the interfaces for the Style Extension.
The atmosphere of the style.
The dynamic (directional and ambient) light of the style.
The flat light of the style.
The images of the style.
The layers of the style.
The models of the style.
Map projection of the style.
The sources of the style.
Style represented as JSON or URI.
The 3D terrain of the style.
Transition options applied when loading the style.