public void setMarker(String marker) {
        this.marker = marker;
    }
<p>
Provides an identifier to allow retrieval of paginated results.
</p>

@param marker
       Provides an identifier to allow retrieval of paginated results.
aws-java-sdk-elasticache/src/main/java/com/amazonaws/services/elasticache/model/DescribeCacheSecurityGroupsResult.java