src/DataMapper/Product/Formatter/FlatArrayTargetPropertyValuesFormatter.php:11:57: NamedArgumentNotAllowed: Method array_merge called with named unpacked array array<array-key, mixed> (array with string keys) (see https://psalm.dev/268)

src/DataMapper/Product/Formatter/FlatArrayTargetPropertyValuesFormatter.php:11:57: MixedArgument: Argument 1 of array_merge cannot be mixed, expecting array<array-key, mixed> (see https://psalm.dev/030)