Your requirements could not be resolved to an installable set of packages. Problem 1 - sebastian/diff 3.0.2 requires php ^7.1 -> your php version (8.2.15) does not satisfy that requirement. - sebastian/diff[4.0.0, ..., 4.0.1] require php ^7.3 -> your php version (8.2.15) does not satisfy that requirement. - You can only install one version of a package, so only one of these can be installed: nikic/php-parser[v4.15.1, ..., v4.19.1, v5.0.0, v5.0.1, v5.0.2]. - infection/infection[0.27.0, ..., 0.27.9] require sebastian/diff ^3.0.2 || ^4.0 || ^5.0 -> satisfiable by sebastian/diff[3.0.2, ..., 3.0.6, 4.0.0, ..., 4.0.6, 5.0.0, ..., 5.1.1]. - phpunit/php-code-coverage[11.0.0, ..., 11.0.3] require nikic/php-parser ^5.0 -> satisfiable by nikic/php-parser[v5.0.0, v5.0.1, v5.0.2]. - You can only install one version of a package, so only one of these can be installed: sebastian/diff[3.0.2, ..., 3.0.6, 4.0.0, ..., 4.0.6, 5.0.0, ..., 5.1.1, 6.0.0, 6.0.1]. - phpunit/phpunit[11.0.0, ..., 11.0.8] require phpunit/php-code-coverage ^11.0 -> satisfiable by phpunit/php-code-coverage[11.0.0, 11.0.1, 11.0.2, 11.0.3]. - phpunit/phpunit[11.0.0, ..., 11.0.8] require sebastian/diff ^6.0 -> satisfiable by sebastian/diff[6.0.0, 6.0.1]. - Root composer.json requires phpunit/phpunit ^11.0 -> satisfiable by phpunit/phpunit[11.0.0, ..., 11.0.8]. - infection/infection[0.27.10, ..., 0.27.11] require nikic/php-parser ^4.15.1 -> satisfiable by nikic/php-parser[v4.15.1, ..., v4.19.1]. - Root composer.json requires infection/infection ^0.27.0 -> satisfiable by infection/infection[0.27.0, ..., 0.27.11].

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