AWSEBSDriverName is the name of the CSI driver for EBS.

AWSEBSInTreePluginName is the name of the intree plugin for EBS.

GCEPDDriverName is the name of the CSI driver for GCE PD.

GCEPDInTreePluginName is the name of the intree plugin for GCE PD.

LabelMultiZoneDelimiter separates zones for RePD volumes.

LabelZoneFailureDomain is the label on PVs indicating the zone they are provisioned in.

UnspecifiedValue is used for an unknown zone string.

AWSEBS handles translation of PV spec from In-tree EBS to CSI EBS and vice versa.

GCEPD handles translation of PV spec from In-tree GCE PD to CSI GCE PD and vice versa.

InTreePlugin handles translations between CSI and in-tree sources in a PV.