static <T, U> ContextAwareBiConsumer<T, U> of(RequestContext context, BiConsumer<T, U> action) {
        return new DefaultContextAwareBiConsumer<>(context, action);
    }
Returns a new {@link ContextAwareBiConsumer} that sets the specified {@link RequestContext}
before executing an underlying {@link BiConsumer}.
core/src/main/java/com/linecorp/armeria/common/ContextAwareBiConsumer.java