public Builder clearSearchConfig() {
      bitField0_ = (bitField0_ & ~0x00000001);
      searchConfig_ = null;
      if (searchConfigBuilder_ != null) {
        searchConfigBuilder_.dispose();
        searchConfigBuilder_ = null;
      }
      onChanged();
      return this;
    }
<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