pulsar_binary_protocol_spec/client_handler/pending_sequences.rs
use std::collections::BTreeMap;
use crate::{
client_channel::FC_Sender,
client_channel_messages::handler_reply_producer_channel_message::HandlerReplyProducerSendChannelMessage,
types::SequenceId,
};
pub type PendingSequences = BTreeMap<SequenceId, PendingSequenceValue>;
pub type PendingSequenceValue = FC_Sender<HandlerReplyProducerSendChannelMessage>;