@Contract("null, _, _ -> false")
  public static boolean isNullComparison(PsiExpression expression, @NotNull PsiVariable variable, boolean equal) {
    return variable.equals(ExpressionUtils.getVariableFromNullComparison(expression, equal));
  }
@Contract("null, _, _ -> false")
  public static boolean isNullComparison(PsiExpression expression, @NotNull PsiVariable variable, boolean equal)