pub unsafe extern "C" fn sodot_ecdsa_sign(
room: Room,
secret_share: ConstStr,
msg_hash: ConstStr,
derivation_path: ConstSlice_u32,
callback: Option<unsafe extern "C" fn(extra: *mut c_void, result: ResultFFI, expanded_signature: ConstStr)>,
extra: *mut c_void,
) -> ResultFFI