code: public List<VarMaskRegex> getGlobalVarMaskRegexes() {
          List<VarMaskRegex> r = new ArrayList<VarMaskRegex>(getGlobalVarMaskRegexesList().size());
  
          // deep copy
          for(VarMaskRegex varMaskRegex: getGlobalVarMaskRegexesList()) {
              r.add((VarMaskRegex) varMaskRegex.clone());
          }
  
          return r;
      }
docs: Returns the list of regexes defined at the global level.
  
  <p>Modifications broughts to the returned list has no impact on this
  configuration (the returned value is a copy). Also, the list can be
  empty but never {@code null}.</p>
  
  @since 2.9