Function wasmtime_exn_type_new 

#[unsafe(no_mangle)]
pub extern "C" fn wasmtime_exn_type_new(
    engine: &wasm_engine_t,
    params: &wasm_valtype_vec_t,
    out: &mut MaybeUninit<Box<wasmtime_exn_type_t>>,
) -> Option<Box<wasmtime_error_t>>