Provides the means to abort an operation.
If this object is set to 'true' when an upgrade operation
is in progress and the corresponding instance of
ciuUpgradeOpCommand has the value 'install' or 'check',
then the operation will be aborted. Setting this
object to 'true' when ciuUpgradeOpCommand has a different
value other than 'install' or 'check' will
fail. If retrieved, this object always has the
value 'false'.