src/Exceptions/InvalidExpressionToParseException.php:30:21: PossiblyUnusedMethod: Cannot find any calls to method PhpCfdi\Rfc\Exceptions\InvalidExpressionToParseException::getRfc (see https://psalm.dev/087)

src/Exceptions/InvalidIntegerToConvertException.php:20:28: PossiblyUnusedMethod: Cannot find any calls to method PhpCfdi\Rfc\Exceptions\InvalidIntegerToConvertException::lowerThanZero (see https://psalm.dev/087)

src/Exceptions/InvalidIntegerToConvertException.php:25:28: PossiblyUnusedMethod: Cannot find any calls to method PhpCfdi\Rfc\Exceptions\InvalidIntegerToConvertException::greaterThanMaximum (see https://psalm.dev/087)

src/Exceptions/InvalidIntegerToConvertException.php:30:21: PossiblyUnusedMethod: Cannot find any calls to method PhpCfdi\Rfc\Exceptions\InvalidIntegerToConvertException::getValue (see https://psalm.dev/087)

src/Rfc.php:63:25: PossiblyFalseArgument: Argument 1 of PhpCfdi\Rfc\Rfc::__construct cannot be false, possibly string value expected (see https://psalm.dev/104)

src/Rfc.php:72:28: PossiblyUnusedMethod: Cannot find any calls to method PhpCfdi\Rfc\Rfc::parseOrNull (see https://psalm.dev/087)

src/Rfc.php:87:28: PossiblyUnusedMethod: Cannot find any calls to method PhpCfdi\Rfc\Rfc::unparsed (see https://psalm.dev/087)

src/Rfc.php:99:28: PossiblyUnusedMethod: Cannot find any calls to method PhpCfdi\Rfc\Rfc::fromSerial (see https://psalm.dev/087)

src/Rfc.php:104:28: PossiblyUnusedMethod: Cannot find any calls to method PhpCfdi\Rfc\Rfc::newGeneric (see https://psalm.dev/087)

src/Rfc.php:109:28: PossiblyUnusedMethod: Cannot find any calls to method PhpCfdi\Rfc\Rfc::newForeign (see https://psalm.dev/087)

Property PhpCfdi\Rfc\Tests\Unit\RfcFakerTest::$iterations (float|int) is never assigned float so it can be removed from the property type.