pub type PFN_vkCmdPreprocessGeneratedCommandsNV = unsafe extern "system" fn(_command_buffer: CommandBuffer, _generated_commands_info: *const GeneratedCommandsInfoNV);pub type PFN_vkCmdPreprocessGeneratedCommandsNV = unsafe extern "system" fn(_command_buffer: CommandBuffer, _generated_commands_info: *const GeneratedCommandsInfoNV);