https://paritytech.github.io/polkadot-sdk/master/polkadot_node_network_protocol/request_response/v1/enum.CollationFetchingResponse.html
CollationFetchingResponse in polkadot_node_network_protocol::request_response::v1 - Rust
Responses as sent by collators.
network protocolpolkadotnoderequestresponse