Package providers contains helpers to retrieve tokens from cloud provider. This package should not be in here. It will move. Don't use it.
AWSServiceRoleToken gets the service role data of the VM.
AzureServiceIdentityToken will retrieve the service account token for the VM using the Metadata Identity Service of Azure.
GCPServiceAccountToken will retrieve the service account token and call the midgard library.
AzureToken is the standard OAUTH token provided by Azure.