public MetricsBuilder exportServiceProtocol(String exportServiceProtocol) {
        this.exportServiceProtocol = exportServiceProtocol;
        return getThis();
    }
@Test
    void exportServiceProtocol() {
        MetricsBuilder builder = MetricsBuilder.newBuilder();
        builder.exportServiceProtocol("tri");
        Assertions.assertEquals("tri", builder.build().getExportServiceProtocol());
    }