@java.lang.Override
      public void writeTo(com.google.protobuf.CodedOutputStream output) throws java.io.IOException {
        for (int i = 0; i < certificates_.size(); i++) {
          com.google.protobuf.GeneratedMessageV3.writeString(output, 1, certificates_.getRaw(i));
        }
        getUnknownFields().writeTo(output);
      }
<pre>
The certificates that form the CA chain in order of leaf to root.
</pre>

<code>repeated string certificates = 1;</code>

@param index The index of the value to return.
@return The bytes of the certificates at the given index.
java-valkey/proto-google-cloud-valkey-v1/src/main/java/com/google/cloud/memorystore/v1/CertificateAuthority.java