public String getUpstreamRegistry() {
        return this.upstreamRegistry;
    }
<p>
The name of the upstream registry associated with the pull through cache rule.
</p>

@return The name of the upstream registry associated with the pull through cache rule.
@see UpstreamRegistry
aws-java-sdk-ecr/src/main/java/com/amazonaws/services/ecr/model/CreatePullThroughCacheRuleResult.java