public Builder clearEnablePeopleCounting() {
      bitField0_ = (bitField0_ & ~0x00000001);
      enablePeopleCounting_ = false;
      onChanged();
      return this;
    }
<pre>
At least one of enable_people_counting and enable_vehicle_counting fields
must be set to true.
Whether to count the appearances of people, output counts have 'people' as
the key.
</pre>

<code>bool enable_people_counting = 1;</code>

@return This builder for chaining.
java-visionai/proto-google-cloud-visionai-v1/src/main/java/com/google/cloud/visionai/v1/PersonVehicleDetectionConfig.java