boon/src/main/java/org/boon/messages/MessageSpecification.java
private Object[] keysToValues( List<String> argKeys ) {
        List<String> values = new ArrayList<>();
        for ( String key : argKeys ) {
            values.add( getMessage( key ) );
        }
        return values.toArray();
    }
private Object[] keysToValues( List<String> argKeys ) {
        List<String> values = new ArrayList<>();
        for ( String key : argKeys ) {
            values.add( getMessage( key ) );
        }
        return values.toArray();
    }
Convert the keys to values.