public com.google.cloud.vertexai.api.GcsSource.Builder getGcsSourceBuilder() {
        bitField0_ |= 0x00000002;
        onChanged();
        return getGcsSourceFieldBuilder().getBuilder();
      }
<pre>
The Cloud Storage location for the input instances.
</pre>

<code>.google.cloud.vertexai.v1.GcsSource gcs_source = 2;</code>
java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/Examples.java