@Override
    public FutureTransformingRequestPreparation<T> queryParams(
            Iterable<? extends Entry<? extends String, String>> queryParams) {
        delegate.queryParams(queryParams);
        return this;
    }
Transforms a {@link Throwable} raised while receiving the response by applying the specified
{@link Function}. If a {@code null} value is returned, the original cause will be used as is.
core/src/main/java/com/linecorp/armeria/client/FutureTransformingRequestPreparation.java