public final HttpAsyncClientBuilder setKeepAliveStrategy(final ConnectionKeepAliveStrategy keepAliveStrategy) {
        this.keepAliveStrategy = keepAliveStrategy;
        return this;
    }
Sets {@link ConnectionKeepAliveStrategy} instance.

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