src/product/BillingRegistry.php:41:16: UndefinedDocblockClass: Docblock-defined class, interface or enum named hiqdev\billing\registry\invoice\RepresentationInterface does not exist (see https://psalm.dev/200)

src/product/BillingRegistry.php:59:9: UndefinedClass: Class, interface or enum named hiqdev\billing\registry\quantity\FractionQuantityData does not exist (see https://psalm.dev/019)

src/product/ConsumptionColumn.php:15:9: UndefinedClass: Class, interface or enum named hiqdev\billing\registry\product\PriceType does not exist (see https://psalm.dev/019)

src/product/ConsumptionColumn.php:44:34: UndefinedClass: Class, interface or enum named hiqdev\billing\registry\product\PriceType does not exist (see https://psalm.dev/019)

src/product/ConsumptionColumnCollection.php:7:46: MissingTemplateParam: hiqdev\php\billing\product\ConsumptionColumnCollection has missing template params when extending IteratorAggregate, expecting 2 (see https://psalm.dev/182)

src/product/ConsumptionColumnCollection.php:24:28: UndefinedClass: Class, interface or enum named hiqdev\billing\registry\product\PriceType does not exist (see https://psalm.dev/019)

src/product/ConsumptionGroup.php:7:35: MissingTemplateParam: hiqdev\php\billing\product\ConsumptionGroup has missing template params when extending IteratorAggregate, expecting 2 (see https://psalm.dev/182)

src/product/ConsumptionGroup.php:18:16: UndefinedDocblockClass: Docblock-defined class, interface or enum named hiqdev\billing\registry\product\PriceType does not exist (see https://psalm.dev/200)

src/product/ConsumptionGroup.php:25:25: UndefinedClass: Class, interface or enum named hiqdev\billing\registry\product\PriceType does not exist (see https://psalm.dev/019)

src/product/ConsumptionGroupCollection.php:5:45: MissingTemplateParam: hiqdev\php\billing\product\ConsumptionGroupCollection has missing template params when extending IteratorAggregate, expecting 2 (see https://psalm.dev/182)