public Builder clearAggregateMethod() {
        bitField0_ = (bitField0_ & ~0x00000004);
        aggregateMethod_ = 0;
        onChanged();
        return this;
      }
<pre>
Aggregate method for the current data schema key.
</pre>

<code>
optional .google.cloud.visionai.v1.SchemaKeySortingStrategy.Option.AggregateMethod aggregate_method = 3;
</code>

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