mfg92

Hi, can you please add a description to this pull request, what is it about?

> How is this any different from `org.apache.commons.lang3.ArrayUtils.contains(Object[], Object)`? Using this approach results in longer, less readable code, as there is no vararg parameter. ``` if (ArrayUtils.contains(new Vehicle[]{ Vehicle.CAR, Vehicle.TRUCK,...

What can I do to move this issue forward?

I have a similar problem, the [XML schema of the german electronic medication plan (eMP)](https://github.com/gematik/api-telematik/blob/OPB5/fa/amtss/AMTS_Document_v1_6.xsd) contains an element _MP_ which has an attribute _U_ as well as child elements _U_....