in dubbo-spring-boot-compatible/autoconfigure/src/main/java/org/apache/dubbo/spring/boot/env/DubboDefaultPropertiesEnvironmentPostProcessor.java [59:65]
public void postProcessEnvironment(ConfigurableEnvironment environment, SpringApplication application) {
MutablePropertySources propertySources = environment.getPropertySources();
Map<String, Object> defaultProperties = createDefaultProperties(environment);
if (!CollectionUtils.isEmpty(defaultProperties)) {
addOrReplace(propertySources, defaultProperties);
}
}