[12.x] Modify PHPDoc for Collection::chunkWhile functions to support preserving keys #55324
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Modifies the PHPDoc of the
Collection::chunkWhile
andLazyCollection::chunkWhile
functions to support preserving the keys of the originalCollection
.Support for preserving keys in the chunks was added in #33999, while #39506 added the original type definitions. However, these type definitions only partially include support for the key types.
I have also included a test to show that string keys are also preserved in the
Collections
.