=== A.java ===
import java.lang.annotation.ElementType;
import java.lang.annotation.Repeatable;
import java.lang.annotation.Target;

@Target({
  ElementType.TYPE_USE, 
  ElementType.FIELD, 
  ElementType.TYPE_PARAMETER,
  ElementType.PARAMETER,
})
@interface As {
  A[] value() default {};
}

@Repeatable(As.class)
@Target({
  ElementType.TYPE_USE, 
  ElementType.FIELD, 
  ElementType.TYPE_PARAMETER,
  ElementType.PARAMETER,
})
@interface A {}

%%% B.java %%%
import java.lang.annotation.Repeatable;

@interface Bs {
  B[] value() default {};
}

@Repeatable(Bs.class)
@interface B {}

=== C.java ===
import java.lang.annotation.Repeatable;

@interface Cs {
  C[] value() default {};
}

@Repeatable(Cs.class)
@interface C {}

=== Test.java ===
import java.util.Map;
class Test {
  @A @A @B @B int x;
  Map<@A @A Integer, @A String> y;
  <@A @A X> @A X f(@A @A int x) { return null; }
}