public void setNamespace(String namespace) {
        this.namespace = namespace;
    }
<p>
The namespace of the metric. For more information, see <a
href="https://docs.aws.amazon.com/AmazonCloudWatch/latest/monitoring/cloudwatch_concepts.html#Namespace"
>Namespaces</a>.
</p>

@param namespace
       The namespace of the metric. For more information, see <a
       href="https://docs.aws.amazon.com/AmazonCloudWatch/latest/monitoring/cloudwatch_concepts.html#Namespace"
       >Namespaces</a>.
aws-java-sdk-applicationsignals/src/main/java/com/amazonaws/services/applicationsignals/model/Metric.java