Interface Signer

interface Signer {
    alg:
        | "es256"
        | "es384"
        | "es512"
        | "ps256"
        | "ps384"
        | "ps512"
        | "ed25519";
    reserveSize: () => Promise<number>;
    sign: (
        data: Uint8Array<ArrayBuffer>,
        reserveSize: number,
    ) => Promise<Uint8Array<ArrayBuffer>>;
}