method HOTP.prototype.validateimport { HOTP } from "https://deno.land/x/otpauth@v9.0.2/dist/otpauth.umd.js"; validate(unnamed 0: { token: string; counter?: number | undefined; window?: number | undefined; }): number | nullValidates an HOTP token. Validates an HOTP token. Parametersunnamed 0: { token: string; counter?: number | undefined; window?: number | undefined; }Configuration options. Returnsnumber | nullToken delta or null if it is not found in the search window, in which case it should be considered invalid.