public final HttpAsyncClientBuilder setConnectionReuseStrategy(final ConnectionReuseStrategy reuseStrategy) {
        this.reuseStrategy = reuseStrategy;
        return this;
    }
Sets {@link ConnectionReuseStrategy} instance.
<p>
Please note this strategy applies to HTTP/1.0 and HTTP/1.1 connections only
</p>

@return this instance.
httpclient5/src/main/java/org/apache/hc/client5/http/impl/async/HttpAsyncClientBuilder.java