79         let instance = Self::get_instance();  in put()  localVariable
80         let map = instance.read().await;  in put()
93         let instance = Self::get_instance();  in send_channel_message()  localVariable
94         let map = instance.read().await;  in send_channel_message()
104         let instance = Self::get_instance();  in start()  localVariable
105         let mut map = instance.write().await;  in start()
112         let instance = Self::get_instance();  in end()  localVariable
113         let mut map = instance.write().await;  in end()
141         let instance = Self::get_instance();  in put()  localVariable
142         let map = instance.read().await;  in put()
176         let instance = Self::get_instance();  in put()  localVariable
177         let map = instance.read().await;  in put()
185         let instance = Self::get_instance();  in start()  localVariable
186         let mut map = instance.write().await;  in start()
249         let instance = Self::get_instance();  in start()  localVariable
250         let mut map = instance.write().await;  in start()
256         let instance = Self::get_instance();  in recv()  localVariable
257         let map = instance.read().await;  in recv()