public Builder clearSourceFolders() {
      if (sourceFoldersBuilder_ == null) {
        if (sourceOptionsCase_ == 24) {
          sourceOptionsCase_ = 0;
          sourceOptions_ = null;
          onChanged();
        }
      } else {
        if (sourceOptionsCase_ == 24) {
          sourceOptionsCase_ = 0;
          sourceOptions_ = null;
        }
        sourceFoldersBuilder_.clear();
      }
      return this;
    }
<pre>
Defines the options for providing source folders for the dataset.
</pre>

<code>.google.cloud.storageinsights.v1.DatasetConfig.SourceFolders source_folders = 24;
</code>
java-storageinsights/proto-google-cloud-storageinsights-v1/src/main/java/com/google/cloud/storageinsights/v1/DatasetConfig.java