Method Wwwision\DCBExample\CommandHandler::courseExists() should return Wwwision\DCBExample\Projections\Projection<bool> but returns Wwwision\DCBExample\Projections\GenericProjection<Wwwision\DCBExample\Projections\ProjectionLogic<bool>>.

Method Wwwision\DCBExample\CommandHandler::courseCapacity() should return Wwwision\DCBExample\Projections\Projection<Wwwision\DCBExample\Types\CourseCapacity> but returns Wwwision\DCBExample\Projections\GenericProjection<Wwwision\DCBExample\Projections\ProjectionLogic<Wwwision\DCBExample\Types\CourseCapacity>>.

Method Wwwision\DCBExample\CommandHandler::numberOfCourseSubscriptions() should return Wwwision\DCBExample\Projections\Projection<Wwwision\DCBExample\Types\CourseCapacity> but returns Wwwision\DCBExample\Projections\GenericProjection<Wwwision\DCBExample\Projections\ProjectionLogic<int>>.

Method Wwwision\DCBExample\CommandHandler::courseTitle() should return Wwwision\DCBExample\Projections\Projection<Wwwision\DCBExample\Types\CourseTitle> but returns Wwwision\DCBExample\Projections\GenericProjection<Wwwision\DCBExample\Projections\ProjectionLogic<Wwwision\DCBExample\Types\CourseTitle>>.

Method Wwwision\DCBExample\CommandHandler::studentRegistered() return type with generic interface Wwwision\DCBExample\Projections\Projection does not specify its types: S

Method Wwwision\DCBExample\CommandHandler::studentSubscriptions() should return Wwwision\DCBExample\Projections\Projection<Wwwision\DCBExample\Types\CourseIds> but returns Wwwision\DCBExample\Projections\GenericProjection<Wwwision\DCBExample\Projections\ProjectionLogic<bool>>.

Method Wwwision\DCBExample\CommandHandler::transactional() has parameter $projections with generic interface Wwwision\DCBExample\Projections\Projection but does not specify its types: S

PHPDoc tag @implements has invalid type Wwwision\DCBExample\Projections\S.

Method Wwwision\DCBExample\Projections\GenericProjection::initialState() has invalid return type Wwwision\DCBExample\Projections\S.