<version>4.0.0+</version>
      <description>This is the file specification used to activate the profile. The {@code missing} value
        is the location of a file that needs to exist, and if it doesn't, the profile will be
        activated. On the other hand, {@code exists} will test for the existence of the file and if it is
        there, the profile will be activated.

      <version>1.0.0+</version>
      <description>
        This is the file specification used to activate a profile. The missing value will be the location
        of a file that needs to exist, and if it doesn't the profile must run.  On the other hand exists will test
        for the existence of the file and if it is there will run the profile.
      </description>
      <fields>
        <field>
          <name>missing</name>