Annotation Interface NonNull
Leverages JSR-305 meta-annotations to indicate nullability in Java to common tools with JSR-305 support and used by Kotlin to infer nullability of Spring API.
Should be used at parameter, return value, and field level. Method overrides should
@NonNull annotations unless they behave differently.
@NonNullApi (scope = parameters + return values) and/or
(scope = fields) to set the default behavior to non-nullable in order to avoid annotating
your whole codebase with