Package org.immutables.builder

Annotation Type Builder.AccessibleFields

@Documented
@Target(TYPE)
public static @interface Builder.AccessibleFields

Annotate nested static builder to get access to the builder's fields to avoid building the entire object. The fields will be protected rather then private as they are by default.

 @Immutable
 abstract class A {
   int a();
 
   @AccessibleFields
   static class Builder extends ImmutableA.Builder {
     A build() {
       int accessibleBuilderFieldA = this.a;
       return super.build();
     }
   }
 }