public com.google.cloud.vertexai.api.GcsSourceOrBuilder getGcsSourceOrBuilder() {
      if (gcsSourceBuilder_ != null) {
        return gcsSourceBuilder_.getMessageOrBuilder();
      } else {
        return gcsSource_ == null
            ? com.google.cloud.vertexai.api.GcsSource.getDefaultInstance()
            : gcsSource_;
      }
    }
<pre>
Required. Google Cloud Storage location.
</pre>

<code>
.google.cloud.vertexai.v1.GcsSource gcs_source = 1 [(.google.api.field_behavior) = REQUIRED];
</code>
java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/AvroSource.java