docs: function defaultAuthProviders(bson) {
    return {
      mongocr: new MongoCR(bson),
      x509: new X509(bson),
      plain: new Plain(bson),
      gssapi: new GSSAPI(bson),
      sspi: new SSPI(bson),
      'scram-sha-1': new ScramSHA1(bson),
      'scram-sha-256': new ScramSHA256(bson)
    };
  }