#[unsafe(no_mangle)]pub unsafe extern "C" fn wasmtime_exnref_unroot(
val: Option<&mut ManuallyDrop<wasmtime_exnref_t>>,
)#[unsafe(no_mangle)]pub unsafe extern "C" fn wasmtime_exnref_unroot(
val: Option<&mut ManuallyDrop<wasmtime_exnref_t>>,
)