public Builder clearManagedServerCa() {
      if (managedServerCaBuilder_ == null) {
        if (serverCaCase_ == 2) {
          serverCaCase_ = 0;
          serverCa_ = null;
          onChanged();
        }
      } else {
        if (serverCaCase_ == 2) {
          serverCaCase_ = 0;
          serverCa_ = null;
        }
        managedServerCaBuilder_.clear();
      }
      return this;
    }
<pre>
A managed server certificate authority.
</pre>

<code>
.google.cloud.memorystore.v1.CertificateAuthority.ManagedCertificateAuthority managed_server_ca = 2;
</code>
java-valkey/proto-google-cloud-valkey-v1/src/main/java/com/google/cloud/memorystore/v1/CertificateAuthority.java