method Session.prototype.unsignRe-exportimport { Session } from "https://deno.land/x/xserver@5.3.2/src/mod.ts"; unsign(encrypted: string,stamped: string,signed: string,signature?: string,): Promise<boolean>Parametersencrypted: stringstamped: stringsigned: stringoptionalsignature: stringReturnsPromise<boolean>