public com.google.protobuf.ByteString getServiceAccountBytes() {
      java.lang.Object ref = serviceAccount_;
      if (ref instanceof String) {
        com.google.protobuf.ByteString b =
            com.google.protobuf.ByteString.copyFromUtf8((java.lang.String) ref);
        serviceAccount_ = b;
        return b;
      } else {
        return (com.google.protobuf.ByteString) ref;
      }
    }
<pre>
The service account that the DeployedModel's container runs as. Specify the
email address of the service account. If this service account is not
specified, the container runs as a service account that doesn't have access
to the resource project.

Users deploying the Model must have the `iam.serviceAccounts.actAs`
permission on this service account.
</pre>

<code>string service_account = 11;</code>

@return The bytes for serviceAccount.
java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/DeployedModel.java