private void ensureDestinationIdentitiesIsMutable() {
            if (!destinationIdentities_.isModifiable()) {
                destinationIdentities_ =
                        new com.google.protobuf.LazyStringArrayList(destinationIdentities_);
            }
            bitField0_ |= 0x00000010;
        }
<pre>
the ID of the participants who will receive the message (sent to all by default)
</pre>

<code>repeated string destination_sids = 3 [deprecated = true];</code>

@deprecated livekit.UserPacket.destination_sids is deprecated. See
            livekit_models.proto;l=248
@param value The bytes of the destinationSids to add.
@return This builder for chaining.
turms-plugins/turms-plugin-livekit/src/main/java/im/turms/plugin/livekit/core/proto/models/UserPacket.java