public void setRegistryId(String registryId) {
        this.registryId = registryId;
    }
<p>
The Amazon Web Services account ID associated with the registry that contains the image layer to download. If you
do not specify a registry, the default registry is assumed.
</p>

@param registryId
       The Amazon Web Services account ID associated with the registry that contains the image layer to download.
       If you do not specify a registry, the default registry is assumed.
aws-java-sdk-ecr/src/main/java/com/amazonaws/services/ecr/model/GetDownloadUrlForLayerRequest.java