@java.lang.Override
  public java.lang.String getOutputUri() {
    java.lang.Object ref = outputUri_;
    if (ref instanceof java.lang.String) {
      return (java.lang.String) ref;
    } else {
      com.google.protobuf.ByteString bs = (com.google.protobuf.ByteString) ref;
      java.lang.String s = bs.toStringUtf8();
      outputUri_ = s;
      return s;
    }
  }
<pre>
Required. Container Registry URI of a container image.
Only Google Container Registry and Artifact Registry are supported now.
Accepted forms:

*  Google Container Registry path. For example:
   `gcr.io/projectId/imageName:tag`.

*  Artifact Registry path. For example:
   `us-central1-docker.pkg.dev/projectId/repoName/imageName:tag`.

If a tag is not specified, "latest" will be used as the default tag.
</pre>

<code>string output_uri = 1 [(.google.api.field_behavior) = REQUIRED];</code>

@return The outputUri.
java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/ContainerRegistryDestination.java