@java.lang.Override
    public int getSerializedSize() {
      int size = memoizedSize;
      if (size != -1) return size;

      size = 0;
      if (!com.google.protobuf.GeneratedMessageV3.isStringEmpty(dataSchemaKey_)) {
        size += com.google.protobuf.GeneratedMessageV3.computeStringSize(1, dataSchemaKey_);
      }
      if (sortDecreasing_ != false) {
        size += com.google.protobuf.CodedOutputStream.computeBoolSize(2, sortDecreasing_);
      }
      if (((bitField0_ & 0x00000001) != 0)) {
        size += com.google.protobuf.CodedOutputStream.computeEnumSize(3, aggregateMethod_);
      }
      size += getUnknownFields().getSerializedSize();
      memoizedSize = size;
      return size;
    }
<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