@Override
	public String getFilename() {
		return null == this.filename ? this.getDescription() : this.filename;
	}
This implementation always returns {@code null}, assuming that this resource type
does not have a filename.
spring-cloud-alibaba-starters/spring-alibaba-nacos-config/src/main/java/com/alibaba/cloud/nacos/parser/NacosByteArrayResource.java