"bitcoin::hash_types::Txid" if !is_ref => Some("crate::c_types::ThirtyTwoBytes"),
"bitcoin::hash_types::BlockHash" if is_ref => Some("*const [u8; 32]"),
"bitcoin::hash_types::BlockHash" if !is_ref => Some("crate::c_types::ThirtyTwoBytes"),
"bitcoin::hash_types::Txid" if !is_ref => Some("crate::c_types::ThirtyTwoBytes"),
"bitcoin::hash_types::BlockHash" if is_ref => Some("*const [u8; 32]"),
"bitcoin::hash_types::BlockHash" if !is_ref => Some("crate::c_types::ThirtyTwoBytes"),