the request
the relying party's Entity Identifier
a Trust Chain the request presented, if any
Optionalconfiguration: string
an Explicit Registration's Entity Configuration, the walk's start
Optionalaudience: string
the OP that configuration must name
a promise of { ok, resolved, rp }, or of a refusal
Resolves a relying party: its Trust Chain to one of this realm's anchors (the one presented, validated in full, or walked for) and its resolved
openid_relying_partymetadata.