Function: refreshTokenGrantRequest

▸ refreshTokenGrantRequest(as, client, refreshToken, options?): Promise<Response>

Performs a Refresh Token Grant request at the as.token_endpoint.

see RFC 6749 - The OAuth 2.0 Authorization Framework

see OpenID Connect Core 1.0

see draft-ietf-oauth-dpop-10 - OAuth 2.0 Demonstrating Proof-of-Possession at the Application Layer (DPoP)

Name	Type	Description
`as`	`AuthorizationServer`	Authorization Server Metadata.
`client`	`Client`	Client Metadata.
`refreshToken`	`string`	Refresh Token value.
`options?`	`TokenEndpointRequestOptions`	-

Promise<Response>