@Nullable
  public static EqualityToSafeEqualsFix buildFix(PsiBinaryExpression expression) {
    final Nullability nullability = NullabilityUtil.getExpressionNullability(expression.getLOperand(), true);
    if (nullability == Nullability.NOT_NULL) return null;
    final Priority priority = nullability == Nullability.UNKNOWN ? Priority.TOP : Priority.NORMAL;
    return new EqualityToSafeEqualsFix(JavaTokenType.NE.equals(expression.getOperationTokenType()), priority);
  }
@Nullable
  public static EqualityToSafeEqualsFix buildFix(PsiBinaryExpression expression)