Go example to parse list of const from the given documentation page
This example scrapes package documentation page - https://pkg.go.dev/k8s.io/component-helpers/storage/volume and parses list of constants declared in that package
$ go run main.go
List of consts declared in "k8s.io/component-helpers/storage/volume":
AnnBindCompleted
AnnBoundByController
AnnSelectedNode
NotSupportedProvisioner
AnnDynamicallyProvisioned
AnnMigratedTo
AnnStorageProvisioner
AnnBetaStorageProvisioner
PVDeletionProtectionFinalizer
PVDeletionInTreeProtectionFinalizer