}
			if !match {
				return false
			}
		}

	}
	if len(ef.Metadata) > 0 && !obj.DeleteMarker {
		for _, kv := range ef.Metadata {
			// Object (version) must match all x-amz-meta and
			// standard metadata headers
			// specified in the filter
			var match bool
			for k, v := range obj.UserDefined {
				if !stringsHasPrefixFold(k, "x-amz-meta-") && !isStandardHeader(k) {
					continue
				}