Add phpdoc for transformation methods into other Collection stubs #163

Job	Run time
Platform test (7.4)	3m 10s
Platform test (8.0)	3m 10s
Platform test (8.1)	3m 2s
Platform test (8.2)	3m 25s
Platform test (8.3)	3m 11s
Platform test (8.4)	3m 11s
Platform test (8.1, doctrine/orm:^3.0 doctrine/dbal:^4.0 carbonphp/carbon-doctrine-types:^3 gedmo...	2m 55s
Platform test (8.2, doctrine/orm:^3.0 doctrine/dbal:^4.0 carbonphp/carbon-doctrine-types:^3 gedmo...	2m 35s
Platform test (8.3, doctrine/orm:^3.0 doctrine/dbal:^4.0 carbonphp/carbon-doctrine-types:^3 gedmo...	2m 39s
Platform test (8.4, doctrine/orm:^3.0 doctrine/dbal:^4.0 carbonphp/carbon-doctrine-types:^3 gedmo...	2m 55s
	30m 13s

Provide feedback