Final attempt failed. Child_process exited with error code 2

Your requirements could not be resolved to an installable set of packages. Problem 1 - Root composer.json requires type-lang/mapper ^2.0, found type-lang/mapper[dev-feat/mapper] but it does not match the constraint. Problem 2 - Root composer.json requires type-lang/parser ^2.0, it is satisfiable by type-lang/parser[dev-master, 2.0.0-beta1, 2.x-dev (alias of dev-master)] from composer repo (https://repo.packagist.org) but type-lang/parser[dev-feat/mapper] from path repo (libs/*) has higher repository priority. The packages from the higher priority repository do not match your constraint and are therefore not installable. That repository is canonical so the lower priority repo's packages are not installable. See https://getcomposer.org/repoprio for details and assistance. Problem 3 - Root composer.json requires type-lang/phpdoc ^2.0, it is satisfiable by type-lang/phpdoc[dev-master, 2.0.0-beta1, 2.x-dev (alias of dev-master)] from composer repo (https://repo.packagist.org) but type-lang/phpdoc[dev-feat/mapper] from path repo (libs/*) has higher repository priority. The packages from the higher priority repository do not match your constraint and are therefore not installable. That repository is canonical so the lower priority repo's packages are not installable. See https://getcomposer.org/repoprio for details and assistance. Problem 4 - Root composer.json requires type-lang/printer ^2.0, it is satisfiable by type-lang/printer[dev-master, 2.0.0-beta1, 2.x-dev (alias of dev-master)] from composer repo (https://repo.packagist.org) but type-lang/printer[dev-feat/mapper] from path repo (libs/*) has higher repository priority. The packages from the higher priority repository do not match your constraint and are therefore not installable. That repository is canonical so the lower priority repo's packages are not installable. See https://getcomposer.org/repoprio for details and assistance. Problem 5 - Root composer.json requires type-lang/reader ^2.0, it is satisfiable by type-lang/reader[dev-master, 2.0.0-beta1, 2.x-dev (alias of dev-master)] from composer repo (https://repo.packagist.org) but type-lang/reader[dev-feat/mapper] from path repo (libs/*) has higher repository priority. The packages from the higher priority repository do not match your constraint and are therefore not installable. That repository is canonical so the lower priority repo's packages are not installable. See https://getcomposer.org/repoprio for details and assistance. Problem 6 - Root composer.json requires type-lang/types ^2.0, it is satisfiable by type-lang/types[dev-master, 2.0.0-beta1, 2.x-dev (alias of dev-master)] from composer repo (https://repo.packagist.org) but type-lang/types[dev-feat/mapper] from path repo (libs/*) has higher repository priority. The packages from the higher priority repository do not match your constraint and are therefore not installable. That repository is canonical so the lower priority repo's packages are not installable. See https://getcomposer.org/repoprio for details and assistance.

Your requirements could not be resolved to an installable set of packages. Problem 1 - Root composer.json requires type-lang/mapper ^2.0, found type-lang/mapper[dev-feat/mapper] but it does not match the constraint. Problem 2 - Root composer.json requires type-lang/parser ^2.0, it is satisfiable by type-lang/parser[dev-master, 2.0.0-beta1, 2.x-dev (alias of dev-master)] from composer repo (https://repo.packagist.org) but type-lang/parser[dev-feat/mapper] from path repo (libs/*) has higher repository priority. The packages from the higher priority repository do not match your constraint and are therefore not installable. That repository is canonical so the lower priority repo's packages are not installable. See https://getcomposer.org/repoprio for details and assistance. Problem 3 - Root composer.json requires type-lang/phpdoc ^2.0, it is satisfiable by type-lang/phpdoc[dev-master, 2.0.0-beta1, 2.x-dev (alias of dev-master)] from composer repo (https://repo.packagist.org) but type-lang/phpdoc[dev-feat/mapper] from path repo (libs/*) has higher repository priority. The packages from the higher priority repository do not match your constraint and are therefore not installable. That repository is canonical so the lower priority repo's packages are not installable. See https://getcomposer.org/repoprio for details and assistance. Problem 4 - Root composer.json requires type-lang/printer ^2.0, it is satisfiable by type-lang/printer[dev-master, 2.0.0-beta1, 2.x-dev (alias of dev-master)] from composer repo (https://repo.packagist.org) but type-lang/printer[dev-feat/mapper] from path repo (libs/*) has higher repository priority. The packages from the higher priority repository do not match your constraint and are therefore not installable. That repository is canonical so the lower priority repo's packages are not installable. See https://getcomposer.org/repoprio for details and assistance. Problem 5 - Root composer.json requires type-lang/reader ^2.0, it is satisfiable by type-lang/reader[dev-master, 2.0.0-beta1, 2.x-dev (alias of dev-master)] from composer repo (https://repo.packagist.org) but type-lang/reader[dev-feat/mapper] from path repo (libs/*) has higher repository priority. The packages from the higher priority repository do not match your constraint and are therefore not installable. That repository is canonical so the lower priority repo's packages are not installable. See https://getcomposer.org/repoprio for details and assistance. Problem 6 - Root composer.json requires type-lang/types ^2.0, it is satisfiable by type-lang/types[dev-master, 2.0.0-beta1, 2.x-dev (alias of dev-master)] from composer repo (https://repo.packagist.org) but type-lang/types[dev-feat/mapper] from path repo (libs/*) has higher repository priority. The packages from the higher priority repository do not match your constraint and are therefore not installable. That repository is canonical so the lower priority repo's packages are not installable. See https://getcomposer.org/repoprio for details and assistance.

Your requirements could not be resolved to an installable set of packages. Problem 1 - Root composer.json requires type-lang/mapper ^2.0, found type-lang/mapper[dev-feat/mapper] but it does not match the constraint. Problem 2 - Root composer.json requires type-lang/parser ^2.0, it is satisfiable by type-lang/parser[dev-master, 2.0.0-beta1, 2.x-dev (alias of dev-master)] from composer repo (https://repo.packagist.org) but type-lang/parser[dev-feat/mapper] from path repo (libs/*) has higher repository priority. The packages from the higher priority repository do not match your constraint and are therefore not installable. That repository is canonical so the lower priority repo's packages are not installable. See https://getcomposer.org/repoprio for details and assistance. Problem 3 - Root composer.json requires type-lang/phpdoc ^2.0, it is satisfiable by type-lang/phpdoc[dev-master, 2.0.0-beta1, 2.x-dev (alias of dev-master)] from composer repo (https://repo.packagist.org) but type-lang/phpdoc[dev-feat/mapper] from path repo (libs/*) has higher repository priority. The packages from the higher priority repository do not match your constraint and are therefore not installable. That repository is canonical so the lower priority repo's packages are not installable. See https://getcomposer.org/repoprio for details and assistance. Problem 4 - Root composer.json requires type-lang/printer ^2.0, it is satisfiable by type-lang/printer[dev-master, 2.0.0-beta1, 2.x-dev (alias of dev-master)] from composer repo (https://repo.packagist.org) but type-lang/printer[dev-feat/mapper] from path repo (libs/*) has higher repository priority. The packages from the higher priority repository do not match your constraint and are therefore not installable. That repository is canonical so the lower priority repo's packages are not installable. See https://getcomposer.org/repoprio for details and assistance. Problem 5 - Root composer.json requires type-lang/reader ^2.0, it is satisfiable by type-lang/reader[dev-master, 2.0.0-beta1, 2.x-dev (alias of dev-master)] from composer repo (https://repo.packagist.org) but type-lang/reader[dev-feat/mapper] from path repo (libs/*) has higher repository priority. The packages from the higher priority repository do not match your constraint and are therefore not installable. That repository is canonical so the lower priority repo's packages are not installable. See https://getcomposer.org/repoprio for details and assistance. Problem 6 - Root composer.json requires type-lang/types ^2.0, it is satisfiable by type-lang/types[dev-master, 2.0.0-beta1, 2.x-dev (alias of dev-master)] from composer repo (https://repo.packagist.org) but type-lang/types[dev-feat/mapper] from path repo (libs/*) has higher repository priority. The packages from the higher priority repository do not match your constraint and are therefore not installable. That repository is canonical so the lower priority repo's packages are not installable. See https://getcomposer.org/repoprio for details and assistance.

Attempt 2 failed. Reason: Child_process exited with error code 2