Although there is no official information about the upcoming Huawei P30 series, a few Olixar protective cases have been listed for pre-order by MobileFun already. These accessories reveal that the P30 Pro is a handset that sports a display with a waterdrop-style notch, as well as a quad main camera setup.
https://www.notebookcheck.net/Huawei-P30-Pro-protective-cases-show-up-online.383621.0.html