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Mention the Nullness API in the null safety refdoc 

See gh-34261
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Sébastien Deleuze 2025-01-21 15:23:46 +01:00
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framework-docs/modules/ROOT/pages/core/null-safety.adoc
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@ -12,8 +12,9 @@ both Java by leveraging some tooling (https://github.com/uber/NullAway[NullAway]
annotations such as IntelliJ IDEA or Eclipse) and Kotlin where JSpecify annotations are automatically translated to
{kotlin-docs}/null-safety.html[Kotlin's null safety].
`@Nullable` annotations are also used at runtime to infer if a parameter is optional or not, for example via
{spring-framework-api}/core/MethodParameter.html#isOptional()[`MethodParameter#isOptional`].
The {spring-framework-api}/core/Nullness.html[`Nullness` Spring API] can be used at runtime to detect the nullness of a
type usage, a field, a method return type or a parameter. It provides full support for JSpecify annotations and
Kotlin null safety, as well as a pragmatic check on any `@Nullable` annotation (regardless of the package).
[[null-safety-libraries]]
== Annotating libraries with JSpecify annotations