SPINEL_PROP_CHILD_SUPERVISION_CHECK_TIMEOUT value

Child Supervision Check Timeout Format: `S` - Read-Write Units: Seconds Required capability: `SPINEL_CAP_CHILD_SUPERVISION` The child supervision check timeout interval (in seconds). Zero indicates supervision check on the child is disabled. Supervision check is only applicable on a sleepy child. When enabled, if the child does not hear from its parent within the specified check timeout, it initiates a re-attach process by starting an MLE Child Update Request/Response exchange with the parent. This property is available for FTD and MTD builds.