Function cumulus_client_consensus_relay_chain::import_queue

pub fn import_queue<Client, Block: BlockT, I, CIDP>(
    client: Arc<Client>,
    block_import: I,
    create_inherent_data_providers: CIDP,
    spawner: &impl SpawnEssentialNamed,
    registry: Option<&Registry>
) -> ClientResult<BasicQueue<Block, I::Transaction>>where
    I: BlockImport<Block, Error = ConsensusError> + Send + Sync + 'static,
    I::Transaction: Send,
    Client: ProvideRuntimeApi<Block> + Send + Sync + 'static,
    <Client as ProvideRuntimeApi<Block>>::Api: BlockBuilderApi<Block>,
    CIDP: CreateInherentDataProviders<Block, ()> + 'static,

Start an import queue for a Cumulus collator that does not uses any special authoring logic.