import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.Configuration;
import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.Configuration;
import java.util.Properties;
import java.util.concurrent.ExecutorService;
import java.util.concurrent.Executors;
import java.util.Properties;
import java.util.concurrent.ExecutorService;
import java.util.concurrent.Executors;
Properties props = new Properties();
props.put("bootstrap.servers", properties.getBootstrapServer());
Properties props = new Properties();
props.put("bootstrap.servers", properties.getBootstrapServer());
props.put("group.id", properties.getGroupId());
props.put("client.id", properties.getClientId());
props.put("enable.auto.commit", false);
props.put("group.id", properties.getGroupId());
props.put("client.id", properties.getClientId());
props.put("enable.auto.commit", false);