public static im.turms.plugin.livekit.core.proto.room.SendDataRequest getDefaultInstance() {
        return DEFAULT_INSTANCE;
    }
<code>optional string topic = 5;</code>

@param value The bytes for topic to set.
@return This builder for chaining.
turms-plugins/turms-plugin-livekit/src/main/java/im/turms/plugin/livekit/core/proto/room/SendDataRequest.java