I like to describe an object like array using class constants for the key. Using array<TKeyType, TValueType> doesn't fit my needs as it's clear which keys exists.
https://psalm.dev/r/4fcbabd07c
```php
'
INFO: MixedInferredReturnType - 16:63 - Could not verify return type 'Message' for Message::createFromPayload
```
I like to describe an object like array using class constants for the key. Using
array<TKeyType, TValueType>
doesn't fit my needs as it's clear which keys exists.https://psalm.dev/r/4fcbabd07c