@java.lang.Override
  protected Builder newBuilderForType(com.google.protobuf.GeneratedMessageV3.BuilderParent parent) {
    Builder builder = new Builder(parent);
    return builder;
  }
<pre>
Required. ID to use for the new search config. Will become the final
component of the SearchConfig's resource name. This value should be up to
63 characters, and valid characters are /[a-z][0-9]-_/. The first character
must be a letter, the last could be a letter or a number.
</pre>

<code>string search_config_id = 3 [(.google.api.field_behavior) = REQUIRED];</code>

@return The bytes for searchConfigId.
java-visionai/proto-google-cloud-visionai-v1/src/main/java/com/google/cloud/visionai/v1/CreateSearchConfigRequest.java