public Builder setConnectionRequestTimeout(final Timeout connectionRequestTimeout) {
            this.connectionRequestTimeout = connectionRequestTimeout;
            return this;
        }
Returns the connection lease request timeout used when requesting
a connection from the connection manager.
<p>
Default: 3 minutes.
</p>

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