services:
    App\Db:
        public: true
        properties:
            schema: '@App\Schema'

    App\Bus:
        public: true
        arguments: ['@App\Db']
        properties:
            handler1: '@App\Handler1'
            handler2: '@App\Handler2'

    App\Handler1:
        ['@App\Db', '@App\Schema', '@App\Processor']

    App\Handler2:
        ['@App\Db', '@App\Schema', '@App\Processor']

    App\Processor:
        ['@App\Registry', '@App\Db']

    App\Registry:
        properties:
            processor: ['@App\Db', '@App\Bus']

    App\Schema:
        arguments: ['@App\Db']