public Builder setTimeToLive(final TimeValue timeToLive) {
            this.timeToLive = timeToLive;
            return this;
        }
Defines the total span of time connections can be kept alive or execute requests.
<p>
Default: {@code null} (undefined)
</p>

@return this instance.
httpclient5/src/main/java/org/apache/hc/client5/http/config/ConnectionConfig.java