docs: public boolean isConnected() {
  
          // if we haven't fully read the incoming message then this
          // connection should still be valid
          if (!this.myInterface.isIncomingMessageFullyRead()) {
              return true;
          }
  
          try {
              // if the immediate TCP read works then this connection is
              // still connected
              if (null == this.myInterface.getTSC().getReadInterface().getBuffer()) {
                  // no read buffer currently exists, use JITAllocate
                  this.myInterface.getTSC().getReadInterface().setJITAllocateSize(this.myInterface.getHttpConfig().getIncomingHdrBufferSize());
              }
              this.myInterface.getTSC().getReadInterface().read(0, 0);
              return true;
          } catch (IOException e) {
              // No FFDC required
  
              // if an exception happens, then this connection is dead
              return false;
          }
      }