}
	}

	return NewPattern(prefix, suffix)
}

// S3Key - represents elements inside <S3Key>...</S3Key>
type S3Key struct {
	RuleList FilterRuleList `xml:"S3Key,omitempty" json:"S3Key"`
}

// MarshalXML implements a custom marshaller to support `omitempty` feature.
func (s3Key S3Key) MarshalXML(e *xml.Encoder, start xml.StartElement) error {
	if s3Key.RuleList.isEmpty() {
		return nil
	}
	type s3KeyWrapper S3Key