public Builder mergeExampleGcsSource(
        com.google.cloud.vertexai.api.Examples.ExampleGcsSource value) {
      if (exampleGcsSourceBuilder_ == null) {
        if (sourceCase_ == 5
            && source_
                != com.google.cloud.vertexai.api.Examples.ExampleGcsSource.getDefaultInstance()) {
          source_ =
              com.google.cloud.vertexai.api.Examples.ExampleGcsSource.newBuilder(
                      (com.google.cloud.vertexai.api.Examples.ExampleGcsSource) source_)
                  .mergeFrom(value)
                  .buildPartial();
        } else {
          source_ = value;
        }
        onChanged();
      } else {
        if (sourceCase_ == 5) {
          exampleGcsSourceBuilder_.mergeFrom(value);
        } else {
          exampleGcsSourceBuilder_.setMessage(value);
        }
      }
      sourceCase_ = 5;
      return this;
    }
<pre>
The Cloud Storage input instances.
</pre>

<code>.google.cloud.vertexai.v1.Examples.ExampleGcsSource example_gcs_source = 5;</code>
java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/Examples.java