Your requirements could not be resolved to an installable set of packages. Problem 1 - Root composer.json requires phpcsstandards/phpcsextra ^1.2.1, found phpcsstandards/phpcsextra[dev-stable, dev-develop, 1.x-dev (alias of dev-stable)] but it does not match your minimum-stability. Problem 2 - Root composer.json requires phpcsstandards/phpcsutils ^1.0.9, found phpcsstandards/phpcsutils[dev-stable, dev-develop, 1.x-dev (alias of dev-stable)] but it does not match your minimum-stability. Problem 3 - Root composer.json requires squizlabs/php_codesniffer ^3.8.0, found squizlabs/php_codesniffer[dev-master, 3.x-dev (alias of dev-master)] but it does not match your minimum-stability. Problem 4 - Root composer.json requires wp-coding-standards/wpcs ^3.1.0, found wp-coding-standards/wpcs[dev-feature/new-multi-line-comment-formatting-sniffs, ..., dev-3.0/classes-class-instantiation-phpcsutils-implementation, 0.3.0, ..., 0.14.1, 1.0.0, 1.1.0, 1.2.0, 1.2.1, 2.0.0-RC1, ..., 2.3.0, 3.0.0, 3.0.1] but it does not match the constraint. Problem 5 - Root composer.json requires sirbrillig/phpcs-variable-analysis ^2.11.17 -> satisfiable by sirbrillig/phpcs-variable-analysis[v2.11.17]. - sirbrillig/phpcs-variable-analysis v2.11.17 requires squizlabs/php_codesniffer ^3.5.6 -> found squizlabs/php_codesniffer[3.5.6, ..., 3.7.2] but it conflicts with your root composer.json require (^3.8.0). Problem 6 - Root composer.json requires phpcompatibility/php-compatibility ^9 -> satisfiable by phpcompatibility/php-compatibility[9.0.0, ..., 9.3.5]. - phpcompatibility/php-compatibility[9.0.0, ..., 9.3.5] require squizlabs/php_codesniffer ^2.3 || ^3.0.2 -> found squizlabs/php_codesniffer[2.3.0, ..., 2.9.2, 3.0.2, ..., 3.7.2] but it conflicts with your root composer.json require (^3.8.0). Problem 7 - phpcsstandards/phpcsdevtools[1.0.0, ..., 1.0.1] require squizlabs/php_codesniffer ^3.0.2 -> found squizlabs/php_codesniffer[3.0.2, ..., 3.7.2] but it conflicts with your root composer.json require (^3.8.0). - phpcsstandards/phpcsdevtools[1.1.0, ..., 1.2.1] require squizlabs/php_codesniffer ^3.1.0 -> found squizlabs/php_codesniffer[3.1.0, ..., 3.7.2] but it conflicts with your root composer.json require (^3.8.0). - Root composer.json requires phpcsstandards/phpcsdevtools ^1.0 -> satisfiable by phpcsstandards/phpcsdevtools[1.0.0, ..., 1.2.1].

Process completed with exit code 2.

Your requirements could not be resolved to an installable set of packages. Problem 1 - Root composer.json requires phpcsstandards/phpcsextra ^1.2.1, found phpcsstandards/phpcsextra[dev-stable, dev-develop, 1.x-dev (alias of dev-stable)] but it does not match your minimum-stability. Problem 2 - Root composer.json requires phpcsstandards/phpcsutils ^1.0.9, found phpcsstandards/phpcsutils[dev-stable, dev-develop, 1.x-dev (alias of dev-stable)] but it does not match your minimum-stability. Problem 3 - Root composer.json requires wp-coding-standards/wpcs ^3.1.0, found wp-coding-standards/wpcs[dev-feature/new-multi-line-comment-formatting-sniffs, ..., dev-3.0/classes-class-instantiation-phpcsutils-implementation, 0.3.0, ..., 0.14.1, 1.0.0, 1.1.0, 1.2.0, 1.2.1, 2.0.0-RC1, ..., 2.3.0, 3.0.0, 3.0.1] but it does not match the constraint.