static boolean isAddAllCall(TerminalBlock tb) {
    PsiMethodCallExpression call = tb.getSingleMethodCall();
    if (call == null || tb.getVariable().getType() instanceof PsiPrimitiveType) return false;
    if (!ExpressionUtils.isReferenceTo(call.getArgumentList().getExpressions()[0], tb.getVariable())) return false;
    if (!"add".equals(call.getMethodExpression().getReferenceName())) return false;
    PsiExpression qualifierExpression = call.getMethodExpression().getQualifierExpression();
    if (qualifierExpression == null || qualifierExpression instanceof PsiThisExpression) {
      PsiMethod method = PsiTreeUtil.getParentOfType(call, PsiMethod.class);
      return method == null || !method.getName().equals("addAll");
    }
    return !(qualifierExpression instanceof PsiMethodCallExpression);
  }
static boolean isAddAllCall(TerminalBlock tb)