code: public String print(boolean velocityHasNext, String whenTrue, String whenFalse) {
          return velocityHasNext ? whenTrue : whenFalse;
      }
docs: Helper to print comma, semi colon, double slash etc. inside velocity foreach loop.<br>
  Example: <code>${enumValue.name}("$enumValue.value")$project.print($velocityHasNext, ", //", ";")</code>
  
  @param velocityHasNext special velocity var available inside foreach loop.
  @param whenTrue        the string to return when velocityHasNext is true
  @param whenFalse       the string to to return when velocityHasNext is false