<BUG>import akka.actor.ActorRef;import javax.annotation.Nullable;</BUG><CONTEXT>import org.thingsboard.server.extensions.api.plugins.msg.ToDeviceRpcRequest;import org.thingsboard.server.extensions.api.plugins.rpc.PluginRpcMsg;import org.thingsboard.server.extensions.api.plugins.rpc.RpcMsg;import org.thingsboard.server.extensions.api.plugins.ws.PluginWebsocketSessionRef;import org.thingsboard.server.extensions.api.plugins.ws.msg.PluginWebsocketMsg;<extra_id_0>@Slf4jpublic final class PluginProcessingContext implements PluginContext {private static final Executor executor = Executors.newSingleThreadExecutor();</CONTEXT>
import org.w3c.dom.Attr;import javax.annotation.Nullable;