src/Psalm/Config.php:133:24: ParseError: Class constants cannot be marked final before PHP 8.1 (see https://psalm.dev/173)

src/Psalm/Config.php:134:24: ParseError: Class constants cannot be marked final before PHP 8.1 (see https://psalm.dev/173)

src/Psalm/Config.php:135:24: ParseError: Class constants cannot be marked final before PHP 8.1 (see https://psalm.dev/173)

src/Psalm/Config.php:136:24: ParseError: Class constants cannot be marked final before PHP 8.1 (see https://psalm.dev/173)

src/Psalm/Config.php:137:24: ParseError: Class constants cannot be marked final before PHP 8.1 (see https://psalm.dev/173)

src/Psalm/Internal/Cli/Psalm.php:652:26: RiskyTruthyFalsyComparison: Operand of type null|string contains type string, which can be falsy and truthy. This can cause possibly unexpected behavior. Use strict comparison instead. (see https://psalm.dev/356)