public Builder mergeOperatorDefinition(com.google.cloud.visionai.v1.OperatorDefinition value) {
      if (operatorDefinitionBuilder_ == null) {
        if (((bitField0_ & 0x00000010) != 0)
            && operatorDefinition_ != null
            && operatorDefinition_
                != com.google.cloud.visionai.v1.OperatorDefinition.getDefaultInstance()) {
          getOperatorDefinitionBuilder().mergeFrom(value);
        } else {
          operatorDefinition_ = value;
        }
      } else {
        operatorDefinitionBuilder_.mergeFrom(value);
      }
      if (operatorDefinition_ != null) {
        bitField0_ |= 0x00000010;
        onChanged();
      }
      return this;
    }
<pre>
The definition of the operator.
</pre>

<code>.google.cloud.visionai.v1.OperatorDefinition operator_definition = 5;</code>
java-visionai/proto-google-cloud-visionai-v1/src/main/java/com/google/cloud/visionai/v1/Operator.java