apollo-openapi/src/main/java/com/ctrip/framework/apollo/openapi/dto/NamespaceGrayDelReleaseDTO.java/NamespaceGrayDelReleaseDTO/setGrayDelKeys
class NamespaceGrayDelReleaseDTO:    public void setGrayDelKeys(Set<String> grayDelKeys) {
        this.grayDelKeys = grayDelKeys;
    }