wnProperty('guid')&&event.hasOwnProperty('op')&&event.hasOwnProperty('ver')&&event.hasOwnProperty('payload')&&event.guid===kThreadGuid&&event.op===kThreadDCStartOpcode){const decodedSize=tr.b.Base64.getDecodedBufferLength(event.payload);if(event.ver===1){if(decodedSize>=52){this.is64bit_=true;}else{this.is64bit_=false;}}else if(event.ver===2){if(decodedSize>=64){this.is64bit_=true;}else{this.is64bit_=false;}}else if(event.ver===3){if(decodedSize>=60){this.is64bit_=true;}else{this.is64bit_=false;}}}...