VK_KHR_SAMPLER_YCBCR_CONVERSION_SPEC_VERSION

unity_native_plugin_sys

Constant VK_KHR_SAMPLER_YCBCR_CONVERSION_SPEC_VERSION 

Source 
pub const VK_KHR_SAMPLER_YCBCR_CONVERSION_SPEC_VERSION: u32 = 14;