referrerpolicy=no-referrer-when-downgrade
bp_polkadot_bulletin

Constant MAX_UNCONFIRMED_MESSAGES_IN_CONFIRMATION_TX

Source 
pub const MAX_UNCONFIRMED_MESSAGES_IN_CONFIRMATION_TX: MessageNonce = 4096;
Expand description

Maximal number of unconfirmed messages at inbound lane for Cumulus-based parachains.