code: @Override
      protected TypeQualifierAnnotation combine(TypeQualifierAnnotation a, TypeQualifierAnnotation b) {
          return TypeQualifierAnnotation.combineParameterAnnotations(a, b);
      }
docs: /*
  (non-Javadoc)
  
  @see
  edu.umd.cs.findbugs.ba.jsr305.TypeQualifierAnnotationLookupResult#combine
  (edu.umd.cs.findbugs.ba.jsr305.TypeQualifierAnnotation,
  edu.umd.cs.findbugs.ba.jsr305.TypeQualifierAnnotation)