Adds a new simple BlockItem for the given Block to the list of entries to be registered and
returns a DeferredItem that will be populated with the created item automatically.
Adds a new simple BlockItem for the given Block to the list of entries to be registered and
returns a DeferredItem that will be populated with the created item automatically.
Adds a new simple BlockItem for the given Block to the list of entries to be registered and
returns a DeferredItem that will be populated with the created item automatically.
Adds a new simple BlockItem for the given Block to the list of entries to be registered and
returns a DeferredItem that will be populated with the created item automatically.