@Nullable
    private PatternLabelEvaluator getPatternLabelEvaluator(@NotNull PsiPattern element) {
      PsiSwitchBlock switchBlock = PsiTreeUtil.getParentOfType(element, PsiSwitchBlock.class);
      if (switchBlock == null) return null;
      PsiExpression selector = switchBlock.getExpression();
      if (selector == null) return null;
      selector.accept(this);
      Evaluator selectorEvaluator = myResult;
      PsiPrimaryPattern primaryPattern = JavaPsiPatternUtil.getTypedPattern(element);
      PatternEvaluator patternEvaluator = createPatternEvaluator(primaryPattern);
      if (patternEvaluator == null) return null;
      return new PatternLabelEvaluator(selectorEvaluator, patternEvaluator);
    }
@Nullable
    private PatternLabelEvaluator getPatternLabelEvaluator(@NotNull PsiPattern element)