in internal/provider/plan_resource.go [190:197]
func (r *planResource) Configure(_ context.Context, req resource.ConfigureRequest, resp *resource.ConfigureResponse) {
if req.ProviderData == nil {
return
}
r.client = req.ProviderData.(*backupdrProvider).client
r.authCtx = req.ProviderData.(*backupdrProvider).authCtx
}