Variable kerberosEtypes

kerberosEtypes: () => {
    decodeOnly: any[];
    performed: any[];
    preference: number[];
} = ...

- (): { decodeOnly: any[]; performed: any[]; preference: number[] }
- Lists the Kerberos encryption types, 1 to 26, the codec can name, split into those it performs and those it only decodes.
  
  Returns { decodeOnly: any[]; performed: any[]; preference: number[] }
  performed, decodeOnly and the default etype preference