Function isKeySet

Returns v is Readonly<
    {
        etag: string
        | null;
        expiresAt: number;
        fetchedAt: number;
        keys: Readonly<Record<string, Resolution>>;
        lookup: (
            keyId: unknown,
            algorithms: unknown,
            now?: number,
        ) => Promise<
            Result<
                Readonly<
                    {
                        algorithm: SigningAlgorithm;
                        assertedAlgorithm: JwsAlgorithm
                        | null;
                        expiresAt: number;
                        fetchedAt: number;
                        key: PublicKey;
                        keyId: string;
                        location: string;
                        origin: string;
                        proof: "signed" | "unsigned" | "not_applicable";
                        revision: string | null;
                        sourceType: "directory" | "jwks_uri" | "cimd";
                        thumbprint: string;
                    },
                >,
            >,
        >;
        origin: string;
        proof: "signed"
        | "unsigned"
        | "not_applicable";
        revision: string;
        source: DiscoverySource;
    },
>