private com.google.protobuf.SingleFieldBuilderV3<
            com.google.cloud.visionai.v1.SearchConfig,
            com.google.cloud.visionai.v1.SearchConfig.Builder,
            com.google.cloud.visionai.v1.SearchConfigOrBuilder>
        getSearchConfigFieldBuilder() {
      if (searchConfigBuilder_ == null) {
        searchConfigBuilder_ =
            new com.google.protobuf.SingleFieldBuilderV3<
                com.google.cloud.visionai.v1.SearchConfig,
                com.google.cloud.visionai.v1.SearchConfig.Builder,
                com.google.cloud.visionai.v1.SearchConfigOrBuilder>(
                getSearchConfig(), getParentForChildren(), isClean());
        searchConfig_ = null;
      }
      return searchConfigBuilder_;
    }
<pre>
Required. The search configuration to update.

The search configuration's `name` field is used to identify the resource to
be updated. Format:
`projects/{project_number}/locations/{location}/corpora/{corpus}/searchConfigs/{search_config}`
</pre>

<code>
.google.cloud.visionai.v1.SearchConfig search_config = 1 [(.google.api.field_behavior) = REQUIRED];
</code>
java-visionai/proto-google-cloud-visionai-v1/src/main/java/com/google/cloud/visionai/v1/UpdateSearchConfigRequest.java