public PulsarSourceBuilder<OUT> setServiceUrl(String serviceUrl) {
        return setConfig(PULSAR_SERVICE_URL, serviceUrl);
    }
Sets the server's link for the PulsarConsumer of the PulsarSource.

@param serviceUrl the server url of the Pulsar cluster.
@return this PulsarSourceBuilder.
inlong-sort/sort-flink/sort-flink-v1.18/sort-connectors/pulsar/src/main/java/org/apache/inlong/sort/pulsar/source/PulsarSourceBuilder.java