public Builder clearSeries() {
      bitField0_ = (bitField0_ & ~0x00000002);
      series_ = null;
      if (seriesBuilder_ != null) {
        seriesBuilder_.dispose();
        seriesBuilder_ = null;
      }
      onChanged();
      return this;
    }
<pre>
Required. The resource being updated
</pre>

<code>.google.cloud.visionai.v1.Series series = 2 [(.google.api.field_behavior) = REQUIRED];
</code>
java-visionai/proto-google-cloud-visionai-v1/src/main/java/com/google/cloud/visionai/v1/UpdateSeriesRequest.java