setProperty method
Implementation
void setProperty(String name, dynamic value) {
if (_disposed || _token.isDisposed) return;
final valRes = ffi.calloc<QjsResult>();
QuickJsFFI.writeOut(valRes, value);
context.ffi.setProperty(context.handle, _handle, name, valRes);
context.ffi.freeQjsResult(valRes);
}