Struct[{
name => String[1],
instance => Optional[String[1]],
failure_max => Optional[Numeric],
warning_max => Optional[Numeric],
failure_min => Optional[Numeric],
warning_min => Optional[Numeric],
data_source => Optional[String[1]],
invert => Optional[Boolean],
persist => Optional[Boolean],
persist_ok => Optional[Boolean],
percentage => Optional[Boolean],
hits => Optional[Integer],
hysteresis => Optional[Integer],
interesting => Optional[Boolean],
}]