```
@Nonnull
@Documented
@Target(PACKAGE)
@Retention(RUNTIME)
@TypeQualifierDefault({METHOD,PARAMETER,FIELD})
public @interface NonNullByDefault
```
An annotation that signifies the return values, parameters and fields are non-nullable by default leveraging the JSR-305 Nonnull annotation. Annotate a package with this annotation and annotate nullable return values, parameters and fields with Nullable.

Annotation Type NonNullByDefault