public final PoolingAsyncClientConnectionManagerBuilder setDefaultTlsConfig(final TlsConfig config) {
        this.tlsConfigResolver = host -> config;
        return this;
    }
Sets the same {@link TlsConfig} for all hosts.

@return this instance.
@since 5.2
httpclient5/src/main/java/org/apache/hc/client5/http/impl/nio/PoolingAsyncClientConnectionManagerBuilder.java