@java.lang.Override
      public com.google.cloud.visionai.v1.SchemaKeySortingStrategy.Option.AggregateMethod
          getAggregateMethod() {
        com.google.cloud.visionai.v1.SchemaKeySortingStrategy.Option.AggregateMethod result =
            com.google.cloud.visionai.v1.SchemaKeySortingStrategy.Option.AggregateMethod.forNumber(
                aggregateMethod_);
        return result == null
            ? com.google.cloud.visionai.v1.SchemaKeySortingStrategy.Option.AggregateMethod
                .UNRECOGNIZED
            : result;
      }
<pre>
Aggregate method for the current data schema key.
</pre>

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

@return The aggregateMethod.
java-visionai/proto-google-cloud-visionai-v1/src/main/java/com/google/cloud/visionai/v1/SchemaKeySortingStrategy.java