archaius-core/src/main/java/com/netflix/config/ConfigurationWithPollingSource.java
@Override
    public Double getDouble(String key, Double defaultValue) {
        return config.getDouble(key, defaultValue);
    }
@Override
    public Double getDouble(String key, Double defaultValue) {
        return config.getDouble(key, defaultValue);
    }
@ Override public Double getDouble ( String key , Double defaultValue ) { return config . getDouble ( key , defaultValue ) ; }
Delegates to the underlying configuration.
Delegates to the underlying configuration .