pub trait ImportPubKeys {
// Required method
fn import_pub_keys(
&mut self,
ordered_pubkeys: &Vec<KeyID>,
pubkey_map: &HashMap<KeyID, PubKey>,
key_origins: &HashMap<KeyID, (PubKey, KeyOriginInfo)>,
add_keypool: bool,
internal: bool,
timestamp: i64
) -> bool;
}