PMClassification.PM_CALL_PLUS = Presence
PMClassification.PM_CALL_MINUS = Absence
PMClassification.PM_CALL_UNCONFIRMED = Unconfirmed
PMClassification.PM_CALL_UNCONFIRMED_MINUS = Unconfirmed Absence
PMClassification.PM_CALL_UNDETERMINED = Undetermined
PMClassification.IPC_CALL_FAILED = IPC Failed
PMClassification.IPC_CALL_SUCCESS = IPC Succeeded
PMClassification.IPC_CALL_CONTROL = Control
PMClassification.PM_CALL_NTC = Negative Control
PMClassification.PM_CALL_BLOCKED_IPC = Blocked IPC Control
