@java.lang.Override
    public Builder clear() {
      super.clear();
      bitField0_ = 0;
      if (apiKeyConfigBuilder_ != null) {
        apiKeyConfigBuilder_.clear();
      }
      authConfigCase_ = 0;
      authConfig_ = null;
      return this;
    }
<pre>
The generic reusable api auth config.
</pre>

Protobuf type {@code google.cloud.vertexai.v1.ApiAuth}
java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/ApiAuth.java