@java.lang.Override
      public com.google.cloud.vertexai.api.Examples.ExampleGcsSource.DataFormat getDataFormat() {
        com.google.cloud.vertexai.api.Examples.ExampleGcsSource.DataFormat result =
            com.google.cloud.vertexai.api.Examples.ExampleGcsSource.DataFormat.forNumber(
                dataFormat_);
        return result == null
            ? com.google.cloud.vertexai.api.Examples.ExampleGcsSource.DataFormat.UNRECOGNIZED
            : result;
      }
<pre>
The format in which instances are given, if not specified, assume it's
JSONL format. Currently only JSONL format is supported.
</pre>

<code>.google.cloud.vertexai.v1.Examples.ExampleGcsSource.DataFormat data_format = 1;
</code>

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