public <T> void executeAsync(Call call, ApiCallback<T> callback) {
        executeAsync(call, null, callback);
    }
public < T > void executeAsync ( Call call , ApiCallback < T > callback ) { executeAsync ( call , null , callback ) ; }
{@link #executeAsync(Call, Type, ApiCallback)}

@param <T> Type
@param call An instance of the Call object
@param callback ApiCallback&lt;T&gt;