public Builder mergeFrom(
            com.google.cloud.memorystore.v1beta.CertificateAuthority.ManagedCertificateAuthority
                    .CertChain
                other) {
          if (other
              == com.google.cloud.memorystore.v1beta.CertificateAuthority
                  .ManagedCertificateAuthority.CertChain.getDefaultInstance()) return this;
          if (!other.certificates_.isEmpty()) {
            if (certificates_.isEmpty()) {
              certificates_ = other.certificates_;
              bitField0_ |= 0x00000001;
            } else {
              ensureCertificatesIsMutable();
              certificates_.addAll(other.certificates_);
            }
            onChanged();
          }
          this.mergeUnknownFields(other.getUnknownFields());
          onChanged();
          return this;
        }
<pre>
A certificate chain.
</pre>

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