@Override
    public YubiKeyAccount getAccountInternal(final String uid) {
        val query = new Query().addCriteria(Criteria.where(YubiKeyAccount.FIELD_USERNAME).is(uid));
        return mongoTemplate.findOne(query, MongoDbYubiKeyAccount.class, this.collectionName);
    }
This is {@link MongoDbYubiKeyAccountRegistry}.

@author Misagh Moayyed
@since 5.2.0
support/cas-server-support-yubikey-mongo/src/main/java/org/apereo/cas/adaptors/yubikey/dao/MongoDbYubiKeyAccountRegistry.java