private void ensureCaCertsIsMutable() {
        if (!((bitField0_ & 0x00000001) != 0)) {
          caCerts_ =
              new java.util.ArrayList<
                  com.google.cloud.memorystore.v1beta.CertificateAuthority
                      .ManagedCertificateAuthority.CertChain>(caCerts_);
          bitField0_ |= 0x00000001;
        }
      }
<pre>
A managed certificate authority.
</pre>

Protobuf type {@code
google.cloud.memorystore.v1beta.CertificateAuthority.ManagedCertificateAuthority}
java-valkey/proto-google-cloud-valkey-v1beta/src/main/java/com/google/cloud/memorystore/v1beta/CertificateAuthority.java