code: func (r *Runtime) ExecSyncContainer(c *Container, command []string, timeout int64) (*ExecSyncResponse, error) {
  	impl, err := r.RuntimeImpl(c)
  	if err != nil {
  		return nil, err
  	}
  
  	return impl.ExecSyncContainer(c, command, timeout)
  }
docs: // ExecSyncContainer execs a command in a container and returns it's stdout, stderr and return code.