public boolean isEmpty() {
        return messagesProcessed == 0 && errorsOccurred == 0;
    }
@Test
    void testNotEmpty() {
        assertThat(new StatsPersistMsg(1, 0, TenantId.SYS_TENANT_ID, TenantId.SYS_TENANT_ID).isEmpty()).isFalse();
        assertThat(new StatsPersistMsg(0, 1, TenantId.SYS_TENANT_ID, TenantId.SYS_TENANT_ID).isEmpty()).isFalse();
        assertThat(new StatsPersistMsg(1, 1, TenantId.SYS_TENANT_ID, TenantId.SYS_TENANT_ID).isEmpty()).isFalse();
    }