PHPStorm does not provide completion for the arguments on client operation methods or input constructors

[stof]

This issue is not a bug in async-aws. It is a known bug in the PHPStorm phpdoc parser. The async-aws code is impacted because of the @region key in the array shapes.

If you care about this issue, please upvote https://youtrack.jetbrains.com/issue/WI-70979/Parsing-of-PHPDoc-produces-syntax-error-if-phpdoc-contains-some-tag-in-single-quotes to let Jetbrains know about your interest so that they prioritize it.