data.IsTruncated = isTruncated

	commonPrefixes := make([]CommonPrefix, 0, len(prefixes))
	for _, prefix := range prefixes {
		prefixItem := CommonPrefix{}
		prefixItem.Prefix = s3EncodeName(prefix, encodingType)
		commonPrefixes = append(commonPrefixes, prefixItem)
	}
	data.CommonPrefixes = commonPrefixes
	data.KeyCount = len(data.Contents) + len(data.CommonPrefixes)
	return data
}

	Prefix string

	// A character used to truncate the object prefixes.
	// NOTE: only supported delimiter is '/'.
	Delimiter string

	// CommonPrefixes contains all (if there are any) keys between Prefix and the
	// next occurrence of the string specified by delimiter.
	CommonPrefixes []string

	EncodingType string // Not supported yet.
}

// TransitionedObject transitioned object tier and status.