Constant NV_DISPLACEMENT_MICROMAP_EXTENSION 

pub const NV_DISPLACEMENT_MICROMAP_EXTENSION: Extension;

👎Deprecated: deprecated in favor of VK_NV_cluster_acceleration_structure

https://www.khronos.org/registry/vulkan/specs/latest/man/html/VK_NV_displacement_micromap.html

WARNING

This is a provisional extension. Provisional extensions are not guaranteed to be backwards compatible and are not intended to be used in production applications.