New returns an initialized Provider value configured to retrieve credentials from EC2 Instance Metadata service.

ProviderName provides a name of EC2Role provider.

Options is a list of user settable options for setting the behavior of the Provider.

A Provider retrieves credentials from the EC2 service, and keeps track if those credentials are expired.

GetMetadataAPIClient provides the interface for an EC2 IMDS API client for the GetMetadata operation.