s.prefix.WriteByte(keyComponentSep)
	}
	// Collect group names for ReplaceAttr.
	if s.groups != nil {
		*s.groups = append(*s.groups, name)
	}
}

// closeGroup ends the group with the given name.
func (s *handleState) closeGroup(name string) {
	if s.h.json {
		s.buf.WriteByte('}')
	} else {
		(*s.prefix) = (*s.prefix)[:len(*s.prefix)-len(name)-1 /* for keyComponentSep */]
	}
	s.sep = s.h.attrSep()

        this.id = new DefaultProblemId(name, displayName, cloneGroup(SharedProblemGroup.generic()));
        return this;
    }

    @Override
    public InternalProblemBuilder id(String name, String displayName, ProblemGroup parent) {
        this.id = new DefaultProblemId(name, displayName, cloneGroup(parent));
        return this;
    }

    private static ProblemGroup cloneGroup(ProblemGroup original) {