code: protected int getPriority(Taint taint) {
          if (taint.isTainted()) {
              return Priorities.HIGH_PRIORITY;
          } else if (!taint.isSafe()) {
              return Priorities.NORMAL_PRIORITY;
          } else {
              return Priorities.IGNORE_PRIORITY;
          }
      }
docs: The default implementation of <code>getPriority()</code> can be overridden if the severity and the confidence for risk
  is particular.
  
  By default, injection will be rated "High" if the complete link between source and sink is made.
  If it is not the case but concatenation with external source is made, "Medium" is used.
  
  @param taint Detail about the state of the value passed (Cumulative information leading to the variable passed).
  @return Priorities interface values from 1 to 5 (Enum-like interface)