No limitation on the number of item at this level. It has already been checked when preparing the query parameters
class drush::cacheclear {
#private()
if $caller_module_name != $module_name {
warning("${name} is not part of the public API of the ${module_name} \
module and should not be directly included in the manifest.")
}
# Clear drush cache on demand.
exec { 'drush-cc-drush':
command => "${drush::drush_exe_default} cc drush",
require => File[$drush::drush_exe_default],
refreshonly => true,
}
}