# Functions
CheckVersionMeetsConstraint returns true if the <version> meets the <constraint>.
IsResourceSupported uses Discovery API to find out if the server supports the given GroupResource.
# Constants
VolumeAttachmentGroupName group name.
VolumeAttachmentResourceName is the kind used for VolumeAttachment.
# Variables
ConstraintK8sGreaterEqual121 is a version constraint for versions >= 1.21.