otherwise the type assertion is invalid since it is not possible for <code>x</code>
to store a value of type <code>T</code>.
If <code>T</code> is an interface type, <code>x.(T)</code> asserts that the dynamic type
of <code>x</code> <a href="#Implementing_an_interface">implements</a> the interface <code>T</code>.
</p>
<p>
If the type assertion holds, the value of the expression is the value

  // Optional: Path at which the file to which the container's termination message
  // will be written is mounted into the container's filesystem.
  // Message written is intended to be brief final status, such as an assertion failure message.
  // Will be truncated by the node if greater than 4096 bytes. The total message length across
  // all containers will be limited to 12kb.
  // Defaults to /dev/termination-log.
  // Cannot be updated.