The selected line in the code diff adds a new entry to the list of JSON:API implementations. The new entry describes the "Micronaut JSON:API" library, which is a JSON:API library for Micronaut implementations. This library includes features such as mapping to/from entities, an include query parameter processor, an error response handler, and support for Page/Slice.

The selected line in the code diff adds a new entry to the list of JSON:API implementations. The new entry describes the "Micronaut JSON:API" library, which is a JSON:API library for Micronaut implementations. This library includes features such as mapping to/from entities, an include query parameter processor, an error response handler, and support for Page/Slice.