public void setUsername(String username) {
		this.username = username;
	}
Nacos Properties class Using by {@link DataSourcePropertiesConfiguration} and
{@link NacosDataSourceFactoryBean}.

@author <a href="mailto:fangjian0423@gmail.com">Jim</a>
spring-cloud-alibaba-starters/spring-cloud-alibaba-sentinel-datasource/src/main/java/com/alibaba/cloud/sentinel/datasource/config/NacosDataSourceProperties.java