#[cfg(feature = "std")]
use std::time::SystemTime;
-const DEFAULT_RELATIVE_EXPIRY: Duration = Duration::from_secs(7200);
+pub(crate) const DEFAULT_RELATIVE_EXPIRY: Duration = Duration::from_secs(7200);
/// Tag for the hash function used when signing a [`Bolt12Invoice`]'s merkle root.
pub const SIGNATURE_TAG: &'static str = concat!("lightning", "invoice", "signature");