public final PoolingHttpClientConnectionManagerBuilder setConnPoolPolicy(final PoolReusePolicy poolReusePolicy) {
        this.poolReusePolicy = poolReusePolicy;
        return this;
    }
Sets {@link PoolReusePolicy} value.

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