#define _impl_XR_LIST_ALL_STRUCTURE_TYPES_CORE(_avail, _unavail) \    _avail(XrApiLayerProperties, XR_TYPE_API_LAYER_PROPERTIES) \    _avail(XrExtensionProperties, XR_TYPE_EXTENSION_PROPERTIES) \    _avail(XrInstanceCreateInfo, XR_TYPE_INSTANCE_CREATE_INFO) \    _avail(XrInstanceProperties, XR_TYPE_INSTANCE_PROPERTIES) \    _avail(XrEventDataBuffer, XR_TYPE_EVENT_DATA_BUFFER) \    _avail(XrSystemGetInfo, XR_TYPE_SYSTEM_GET_INFO) \    _avail(XrSystemProperties, XR_TYPE_SYSTEM_PROPERTIES) \    _avail(XrSessionCreateInfo, XR_TYPE_SESSION_CREATE_INFO) \    _avail(XrSpaceVelocity, XR_TYPE_SPACE_VELOCITY) \    _avail(XrReferenceSpaceCreateInfo, XR_TYPE_REFERENCE_SPACE_CREATE_INFO) \    _avail(XrActionSpaceCreateInfo, XR_TYPE_ACTION_SPACE_CREATE_INFO) \    _avail(XrSpaceLocation, XR_TYPE_SPACE_LOCATION) \    _avail(XrViewConfigurationProperties, XR_TYPE_VIEW_CONFIGURATION_PROPERTIES) \    _avail(XrViewConfigurationView, XR_TYPE_VIEW_CONFIGURATION_VIEW) \    _avail(XrSwapchainCreateInfo, XR_TYPE_SWAPCHAIN_CREATE_INFO) \    _avail(XrSwapchainImageAcquireInfo, XR_TYPE_SWAPCHAIN_IMAGE_ACQUIRE_INFO) \    _avail(XrSwapchainImageWaitInfo, XR_TYPE_SWAPCHAIN_IMAGE_WAIT_INFO) \    _avail(XrSwapchainImageReleaseInfo, XR_TYPE_SWAPCHAIN_IMAGE_RELEASE_INFO) \    _avail(XrSessionBeginInfo, XR_TYPE_SESSION_BEGIN_INFO) \    _avail(XrFrameWaitInfo, XR_TYPE_FRAME_WAIT_INFO) \    _avail(XrFrameState, XR_TYPE_FRAME_STATE) \    _avail(XrFrameBeginInfo, XR_TYPE_FRAME_BEGIN_INFO) \    _avail(XrFrameEndInfo, XR_TYPE_FRAME_END_INFO) \    _avail(XrViewLocateInfo, XR_TYPE_VIEW_LOCATE_INFO) \    _avail(XrViewState, XR_TYPE_VIEW_STATE) \    _avail(XrView, XR_TYPE_VIEW) \    _avail(XrActionSetCreateInfo, XR_TYPE_ACTION_SET_CREATE_INFO) \    _avail(XrActionCreateInfo, XR_TYPE_ACTION_CREATE_INFO) \    _avail(XrInteractionProfileSuggestedBinding, XR_TYPE_INTERACTION_PROFILE_SUGGESTED_BINDING) \    _avail(XrSessionActionSetsAttachInfo, XR_TYPE_SESSION_ACTION_SETS_ATTACH_INFO) \    _avail(XrInteractionProfileState, XR_TYPE_INTERACTION_PROFILE_STATE) \    _avail(XrActionStateGetInfo, XR_TYPE_ACTION_STATE_GET_INFO) \    _avail(XrActionStateBoolean, XR_TYPE_ACTION_STATE_BOOLEAN) \    _avail(XrActionStateFloat, XR_TYPE_ACTION_STATE_FLOAT) \    _avail(XrActionStateVector2f, XR_TYPE_ACTION_STATE_VECTOR2F) \    _avail(XrActionStatePose, XR_TYPE_ACTION_STATE_POSE) \    _avail(XrActionsSyncInfo, XR_TYPE_ACTIONS_SYNC_INFO) \    _avail(XrBoundSourcesForActionEnumerateInfo, XR_TYPE_BOUND_SOURCES_FOR_ACTION_ENUMERATE_INFO) \    _avail(XrInputSourceLocalizedNameGetInfo, XR_TYPE_INPUT_SOURCE_LOCALIZED_NAME_GET_INFO) \    _avail(XrHapticActionInfo, XR_TYPE_HAPTIC_ACTION_INFO) \    _avail(XrCompositionLayerProjectionView, XR_TYPE_COMPOSITION_LAYER_PROJECTION_VIEW) \    _avail(XrCompositionLayerProjection, XR_TYPE_COMPOSITION_LAYER_PROJECTION) \    _avail(XrCompositionLayerQuad, XR_TYPE_COMPOSITION_LAYER_QUAD) \    _avail(XrEventDataEventsLost, XR_TYPE_EVENT_DATA_EVENTS_LOST) \    _avail(XrEventDataInstanceLossPending, XR_TYPE_EVENT_DATA_INSTANCE_LOSS_PENDING) \    _avail(XrEventDataSessionStateChanged, XR_TYPE_EVENT_DATA_SESSION_STATE_CHANGED) \    _avail(XrEventDataReferenceSpaceChangePending, XR_TYPE_EVENT_DATA_REFERENCE_SPACE_CHANGE_PENDING) \    _avail(XrEventDataInteractionProfileChanged, XR_TYPE_EVENT_DATA_INTERACTION_PROFILE_CHANGED) \    _avail(XrHapticVibration, XR_TYPE_HAPTIC_VIBRATION) \    _avail(XrCompositionLayerCubeKHR, XR_TYPE_COMPOSITION_LAYER_CUBE_KHR) \    _avail(XrCompositionLayerDepthInfoKHR, XR_TYPE_COMPOSITION_LAYER_DEPTH_INFO_KHR) \    _avail(XrCompositionLayerCylinderKHR, XR_TYPE_COMPOSITION_LAYER_CYLINDER_KHR) \    _avail(XrCompositionLayerEquirectKHR, XR_TYPE_COMPOSITION_LAYER_EQUIRECT_KHR) \    _avail(XrVisibilityMaskKHR, XR_TYPE_VISIBILITY_MASK_KHR) \    _avail(XrEventDataVisibilityMaskChangedKHR, XR_TYPE_EVENT_DATA_VISIBILITY_MASK_CHANGED_KHR) \    _avail(XrCompositionLayerColorScaleBiasKHR, XR_TYPE_COMPOSITION_LAYER_COLOR_SCALE_BIAS_KHR) \    _avail(XrCompositionLayerEquirect2KHR, XR_TYPE_COMPOSITION_LAYER_EQUIRECT2_KHR) \    _avail(XrBindingModificationsKHR, XR_TYPE_BINDING_MODIFICATIONS_KHR) \    _avail(XrEventDataPerfSettingsEXT, XR_TYPE_EVENT_DATA_PERF_SETTINGS_EXT) \    _avail(XrDebugUtilsObjectNameInfoEXT, XR_TYPE_DEBUG_UTILS_OBJECT_NAME_INFO_EXT) \    _avail(XrDebugUtilsLabelEXT, XR_TYPE_DEBUG_UTILS_LABEL_EXT) \    _avail(XrDebugUtilsMessengerCallbackDataEXT, XR_TYPE_DEBUG_UTILS_MESSENGER_CALLBACK_DATA_EXT) \    _avail(XrDebugUtilsMessengerCreateInfoEXT, XR_TYPE_DEBUG_UTILS_MESSENGER_CREATE_INFO_EXT) \    _avail(XrSystemEyeGazeInteractionPropertiesEXT, XR_TYPE_SYSTEM_EYE_GAZE_INTERACTION_PROPERTIES_EXT) \    _avail(XrEyeGazeSampleTimeEXT, XR_TYPE_EYE_GAZE_SAMPLE_TIME_EXT) \    _avail(XrSessionCreateInfoOverlayEXTX, XR_TYPE_SESSION_CREATE_INFO_OVERLAY_EXTX) \    _avail(XrEventDataMainSessionVisibilityChangedEXTX, XR_TYPE_EVENT_DATA_MAIN_SESSION_VISIBILITY_CHANGED_EXTX) \    _avail(XrSpatialAnchorCreateInfoMSFT, XR_TYPE_SPATIAL_ANCHOR_CREATE_INFO_MSFT) \    _avail(XrSpatialAnchorSpaceCreateInfoMSFT, XR_TYPE_SPATIAL_ANCHOR_SPACE_CREATE_INFO_MSFT) \    _avail(XrCompositionLayerImageLayoutFB, XR_TYPE_COMPOSITION_LAYER_IMAGE_LAYOUT_FB) \    _avail(XrCompositionLayerAlphaBlendFB, XR_TYPE_COMPOSITION_LAYER_ALPHA_BLEND_FB) \    _avail(XrViewConfigurationDepthRangeEXT, XR_TYPE_VIEW_CONFIGURATION_DEPTH_RANGE_EXT) \    _avail(XrSpatialGraphNodeSpaceCreateInfoMSFT, XR_TYPE_SPATIAL_GRAPH_NODE_SPACE_CREATE_INFO_MSFT) \    _avail(XrSpatialGraphStaticNodeBindingCreateInfoMSFT, XR_TYPE_SPATIAL_GRAPH_STATIC_NODE_BINDING_CREATE_INFO_MSFT) \    _avail(XrSpatialGraphNodeBindingPropertiesGetInfoMSFT, XR_TYPE_SPATIAL_GRAPH_NODE_BINDING_PROPERTIES_GET_INFO_MSFT) \    _avail(XrSpatialGraphNodeBindingPropertiesMSFT, XR_TYPE_SPATIAL_GRAPH_NODE_BINDING_PROPERTIES_MSFT) \    _avail(XrSystemHandTrackingPropertiesEXT, XR_TYPE_SYSTEM_HAND_TRACKING_PROPERTIES_EXT) \    _avail(XrHandTrackerCreateInfoEXT, XR_TYPE_HAND_TRACKER_CREATE_INFO_EXT) \    _avail(XrHandJointsLocateInfoEXT, XR_TYPE_HAND_JOINTS_LOCATE_INFO_EXT) \    _avail(XrHandJointLocationsEXT, XR_TYPE_HAND_JOINT_LOCATIONS_EXT) \    _avail(XrHandJointVelocitiesEXT, XR_TYPE_HAND_JOINT_VELOCITIES_EXT) \    _avail(XrSystemHandTrackingMeshPropertiesMSFT, XR_TYPE_SYSTEM_HAND_TRACKING_MESH_PROPERTIES_MSFT) \    _avail(XrHandMeshSpaceCreateInfoMSFT, XR_TYPE_HAND_MESH_SPACE_CREATE_INFO_MSFT) \    _avail(XrHandMeshUpdateInfoMSFT, XR_TYPE_HAND_MESH_UPDATE_INFO_MSFT) \    _avail(XrHandMeshMSFT, XR_TYPE_HAND_MESH_MSFT) \    _avail(XrHandPoseTypeInfoMSFT, XR_TYPE_HAND_POSE_TYPE_INFO_MSFT) \    _avail(XrSecondaryViewConfigurationSessionBeginInfoMSFT, XR_TYPE_SECONDARY_VIEW_CONFIGURATION_SESSION_BEGIN_INFO_MSFT) \    _avail(XrSecondaryViewConfigurationStateMSFT, XR_TYPE_SECONDARY_VIEW_CONFIGURATION_STATE_MSFT) \    _avail(XrSecondaryViewConfigurationFrameStateMSFT, XR_TYPE_SECONDARY_VIEW_CONFIGURATION_FRAME_STATE_MSFT) \    _avail(XrSecondaryViewConfigurationLayerInfoMSFT, XR_TYPE_SECONDARY_VIEW_CONFIGURATION_LAYER_INFO_MSFT) \    _avail(XrSecondaryViewConfigurationFrameEndInfoMSFT, XR_TYPE_SECONDARY_VIEW_CONFIGURATION_FRAME_END_INFO_MSFT) \    _avail(XrSecondaryViewConfigurationSwapchainCreateInfoMSFT, XR_TYPE_SECONDARY_VIEW_CONFIGURATION_SWAPCHAIN_CREATE_INFO_MSFT) \    _avail(XrControllerModelKeyStateMSFT, XR_TYPE_CONTROLLER_MODEL_KEY_STATE_MSFT) \    _avail(XrControllerModelNodePropertiesMSFT, XR_TYPE_CONTROLLER_MODEL_NODE_PROPERTIES_MSFT) \    _avail(XrControllerModelPropertiesMSFT, XR_TYPE_CONTROLLER_MODEL_PROPERTIES_MSFT) \    _avail(XrControllerModelNodeStateMSFT, XR_TYPE_CONTROLLER_MODEL_NODE_STATE_MSFT) \    _avail(XrControllerModelStateMSFT, XR_TYPE_CONTROLLER_MODEL_STATE_MSFT) \    _avail(XrViewConfigurationViewFovEPIC, XR_TYPE_VIEW_CONFIGURATION_VIEW_FOV_EPIC) \    _avail(XrCompositionLayerReprojectionInfoMSFT, XR_TYPE_COMPOSITION_LAYER_REPROJECTION_INFO_MSFT) \    _avail(XrCompositionLayerReprojectionPlaneOverrideMSFT, XR_TYPE_COMPOSITION_LAYER_REPROJECTION_PLANE_OVERRIDE_MSFT) \    _avail(XrCompositionLayerSecureContentFB, XR_TYPE_COMPOSITION_LAYER_SECURE_CONTENT_FB) \    _avail(XrSystemBodyTrackingPropertiesFB, XR_TYPE_SYSTEM_BODY_TRACKING_PROPERTIES_FB) \    _avail(XrBodyTrackerCreateInfoFB, XR_TYPE_BODY_TRACKER_CREATE_INFO_FB) \    _avail(XrBodySkeletonFB, XR_TYPE_BODY_SKELETON_FB) \    _avail(XrBodyJointsLocateInfoFB, XR_TYPE_BODY_JOINTS_LOCATE_INFO_FB) \    _avail(XrBodyJointLocationsFB, XR_TYPE_BODY_JOINT_LOCATIONS_FB) \    _avail(XrInteractionProfileDpadBindingEXT, XR_TYPE_INTERACTION_PROFILE_DPAD_BINDING_EXT) \    _avail(XrInteractionProfileAnalogThresholdVALVE, XR_TYPE_INTERACTION_PROFILE_ANALOG_THRESHOLD_VALVE) \    _avail(XrHandJointsMotionRangeInfoEXT, XR_TYPE_HAND_JOINTS_MOTION_RANGE_INFO_EXT) \    _avail(XrSceneObserverCreateInfoMSFT, XR_TYPE_SCENE_OBSERVER_CREATE_INFO_MSFT) \    _avail(XrSceneCreateInfoMSFT, XR_TYPE_SCENE_CREATE_INFO_MSFT) \    _avail(XrNewSceneComputeInfoMSFT, XR_TYPE_NEW_SCENE_COMPUTE_INFO_MSFT) \    _avail(XrVisualMeshComputeLodInfoMSFT, XR_TYPE_VISUAL_MESH_COMPUTE_LOD_INFO_MSFT) \    _avail(XrSceneComponentsMSFT, XR_TYPE_SCENE_COMPONENTS_MSFT) \    _avail(XrSceneComponentsGetInfoMSFT, XR_TYPE_SCENE_COMPONENTS_GET_INFO_MSFT) \    _avail(XrSceneComponentLocationsMSFT, XR_TYPE_SCENE_COMPONENT_LOCATIONS_MSFT) \    _avail(XrSceneComponentsLocateInfoMSFT, XR_TYPE_SCENE_COMPONENTS_LOCATE_INFO_MSFT) \    _avail(XrSceneObjectsMSFT, XR_TYPE_SCENE_OBJECTS_MSFT) \    _avail(XrSceneComponentParentFilterInfoMSFT, XR_TYPE_SCENE_COMPONENT_PARENT_FILTER_INFO_MSFT) \    _avail(XrSceneObjectTypesFilterInfoMSFT, XR_TYPE_SCENE_OBJECT_TYPES_FILTER_INFO_MSFT) \    _avail(XrScenePlanesMSFT, XR_TYPE_SCENE_PLANES_MSFT) \    _avail(XrScenePlaneAlignmentFilterInfoMSFT, XR_TYPE_SCENE_PLANE_ALIGNMENT_FILTER_INFO_MSFT) \    _avail(XrSceneMeshesMSFT, XR_TYPE_SCENE_MESHES_MSFT) \    _avail(XrSceneMeshBuffersGetInfoMSFT, XR_TYPE_SCENE_MESH_BUFFERS_GET_INFO_MSFT) \    _avail(XrSceneMeshBuffersMSFT, XR_TYPE_SCENE_MESH_BUFFERS_MSFT) \    _avail(XrSceneMeshVertexBufferMSFT, XR_TYPE_SCENE_MESH_VERTEX_BUFFER_MSFT) \    _avail(XrSceneMeshIndicesUint32MSFT, XR_TYPE_SCENE_MESH_INDICES_UINT32_MSFT) \    _avail(XrSceneMeshIndicesUint16MSFT, XR_TYPE_SCENE_MESH_INDICES_UINT16_MSFT) \    _avail(XrSerializedSceneFragmentDataGetInfoMSFT, XR_TYPE_SERIALIZED_SCENE_FRAGMENT_DATA_GET_INFO_MSFT) \    _avail(XrSceneDeserializeInfoMSFT, XR_TYPE_SCENE_DESERIALIZE_INFO_MSFT) \    _avail(XrEventDataDisplayRefreshRateChangedFB, XR_TYPE_EVENT_DATA_DISPLAY_REFRESH_RATE_CHANGED_FB) \    _avail(XrViveTrackerPathsHTCX, XR_TYPE_VIVE_TRACKER_PATHS_HTCX) \    _avail(XrEventDataViveTrackerConnectedHTCX, XR_TYPE_EVENT_DATA_VIVE_TRACKER_CONNECTED_HTCX) \    _avail(XrSystemFacialTrackingPropertiesHTC, XR_TYPE_SYSTEM_FACIAL_TRACKING_PROPERTIES_HTC) \    _avail(XrFacialExpressionsHTC, XR_TYPE_FACIAL_EXPRESSIONS_HTC) \    _avail(XrFacialTrackerCreateInfoHTC, XR_TYPE_FACIAL_TRACKER_CREATE_INFO_HTC) \    _avail(XrSystemColorSpacePropertiesFB, XR_TYPE_SYSTEM_COLOR_SPACE_PROPERTIES_FB) \    _avail(XrHandTrackingMeshFB, XR_TYPE_HAND_TRACKING_MESH_FB) \    _avail(XrHandTrackingScaleFB, XR_TYPE_HAND_TRACKING_SCALE_FB) \    _avail(XrHandTrackingAimStateFB, XR_TYPE_HAND_TRACKING_AIM_STATE_FB) \    _avail(XrHandTrackingCapsulesStateFB, XR_TYPE_HAND_TRACKING_CAPSULES_STATE_FB) \    _avail(XrSystemSpatialEntityPropertiesFB, XR_TYPE_SYSTEM_SPATIAL_ENTITY_PROPERTIES_FB) \    _avail(XrSpatialAnchorCreateInfoFB, XR_TYPE_SPATIAL_ANCHOR_CREATE_INFO_FB) \    _avail(XrSpaceComponentStatusSetInfoFB, XR_TYPE_SPACE_COMPONENT_STATUS_SET_INFO_FB) \    _avail(XrSpaceComponentStatusFB, XR_TYPE_SPACE_COMPONENT_STATUS_FB) \    _avail(XrEventDataSpatialAnchorCreateCompleteFB, XR_TYPE_EVENT_DATA_SPATIAL_ANCHOR_CREATE_COMPLETE_FB) \    _avail(XrEventDataSpaceSetStatusCompleteFB, XR_TYPE_EVENT_DATA_SPACE_SET_STATUS_COMPLETE_FB) \    _avail(XrFoveationProfileCreateInfoFB, XR_TYPE_FOVEATION_PROFILE_CREATE_INFO_FB) \    _avail(XrSwapchainCreateInfoFoveationFB, XR_TYPE_SWAPCHAIN_CREATE_INFO_FOVEATION_FB) \    _avail(XrSwapchainStateFoveationFB, XR_TYPE_SWAPCHAIN_STATE_FOVEATION_FB) \    _avail(XrFoveationLevelProfileCreateInfoFB, XR_TYPE_FOVEATION_LEVEL_PROFILE_CREATE_INFO_FB) \    _avail(XrSystemKeyboardTrackingPropertiesFB, XR_TYPE_SYSTEM_KEYBOARD_TRACKING_PROPERTIES_FB) \    _avail(XrKeyboardSpaceCreateInfoFB, XR_TYPE_KEYBOARD_SPACE_CREATE_INFO_FB) \    _avail(XrKeyboardTrackingQueryFB, XR_TYPE_KEYBOARD_TRACKING_QUERY_FB) \    _avail(XrTriangleMeshCreateInfoFB, XR_TYPE_TRIANGLE_MESH_CREATE_INFO_FB) \    _avail(XrSystemPassthroughPropertiesFB, XR_TYPE_SYSTEM_PASSTHROUGH_PROPERTIES_FB) \    _avail(XrSystemPassthroughProperties2FB, XR_TYPE_SYSTEM_PASSTHROUGH_PROPERTIES2_FB) \    _avail(XrPassthroughCreateInfoFB, XR_TYPE_PASSTHROUGH_CREATE_INFO_FB) \    _avail(XrPassthroughLayerCreateInfoFB, XR_TYPE_PASSTHROUGH_LAYER_CREATE_INFO_FB) \    _avail(XrCompositionLayerPassthroughFB, XR_TYPE_COMPOSITION_LAYER_PASSTHROUGH_FB) \    _avail(XrGeometryInstanceCreateInfoFB, XR_TYPE_GEOMETRY_INSTANCE_CREATE_INFO_FB) \    _avail(XrGeometryInstanceTransformFB, XR_TYPE_GEOMETRY_INSTANCE_TRANSFORM_FB) \    _avail(XrPassthroughStyleFB, XR_TYPE_PASSTHROUGH_STYLE_FB) \    _avail(XrPassthroughColorMapMonoToRgbaFB, XR_TYPE_PASSTHROUGH_COLOR_MAP_MONO_TO_RGBA_FB) \    _avail(XrPassthroughColorMapMonoToMonoFB, XR_TYPE_PASSTHROUGH_COLOR_MAP_MONO_TO_MONO_FB) \    _avail(XrPassthroughBrightnessContrastSaturationFB, XR_TYPE_PASSTHROUGH_BRIGHTNESS_CONTRAST_SATURATION_FB) \    _avail(XrEventDataPassthroughStateChangedFB, XR_TYPE_EVENT_DATA_PASSTHROUGH_STATE_CHANGED_FB) \    _avail(XrRenderModelPathInfoFB, XR_TYPE_RENDER_MODEL_PATH_INFO_FB) \    _avail(XrRenderModelPropertiesFB, XR_TYPE_RENDER_MODEL_PROPERTIES_FB) \    _avail(XrRenderModelBufferFB, XR_TYPE_RENDER_MODEL_BUFFER_FB) \    _avail(XrRenderModelLoadInfoFB, XR_TYPE_RENDER_MODEL_LOAD_INFO_FB) \    _avail(XrSystemRenderModelPropertiesFB, XR_TYPE_SYSTEM_RENDER_MODEL_PROPERTIES_FB) \    _avail(XrRenderModelCapabilitiesRequestFB, XR_TYPE_RENDER_MODEL_CAPABILITIES_REQUEST_FB) \    _avail(XrViewLocateFoveatedRenderingVARJO, XR_TYPE_VIEW_LOCATE_FOVEATED_RENDERING_VARJO) \    _avail(XrFoveatedViewConfigurationViewVARJO, XR_TYPE_FOVEATED_VIEW_CONFIGURATION_VIEW_VARJO) \    _avail(XrSystemFoveatedRenderingPropertiesVARJO, XR_TYPE_SYSTEM_FOVEATED_RENDERING_PROPERTIES_VARJO) \    _avail(XrCompositionLayerDepthTestVARJO, XR_TYPE_COMPOSITION_LAYER_DEPTH_TEST_VARJO) \    _avail(XrSystemMarkerTrackingPropertiesVARJO, XR_TYPE_SYSTEM_MARKER_TRACKING_PROPERTIES_VARJO) \    _avail(XrEventDataMarkerTrackingUpdateVARJO, XR_TYPE_EVENT_DATA_MARKER_TRACKING_UPDATE_VARJO) \    _avail(XrMarkerSpaceCreateInfoVARJO, XR_TYPE_MARKER_SPACE_CREATE_INFO_VARJO) \    _avail(XrFrameEndInfoML, XR_TYPE_FRAME_END_INFO_ML) \    _avail(XrGlobalDimmerFrameEndInfoML, XR_TYPE_GLOBAL_DIMMER_FRAME_END_INFO_ML) \    _avail(XrSystemMarkerUnderstandingPropertiesML, XR_TYPE_SYSTEM_MARKER_UNDERSTANDING_PROPERTIES_ML) \    _avail(XrMarkerDetectorCreateInfoML, XR_TYPE_MARKER_DETECTOR_CREATE_INFO_ML) \    _avail(XrMarkerDetectorArucoInfoML, XR_TYPE_MARKER_DETECTOR_ARUCO_INFO_ML) \    _avail(XrMarkerDetectorSizeInfoML, XR_TYPE_MARKER_DETECTOR_SIZE_INFO_ML) \    _avail(XrMarkerDetectorAprilTagInfoML, XR_TYPE_MARKER_DETECTOR_APRIL_TAG_INFO_ML) \    _avail(XrMarkerDetectorCustomProfileInfoML, XR_TYPE_MARKER_DETECTOR_CUSTOM_PROFILE_INFO_ML) \    _avail(XrMarkerDetectorSnapshotInfoML, XR_TYPE_MARKER_DETECTOR_SNAPSHOT_INFO_ML) \    _avail(XrMarkerDetectorStateML, XR_TYPE_MARKER_DETECTOR_STATE_ML) \    _avail(XrMarkerSpaceCreateInfoML, XR_TYPE_MARKER_SPACE_CREATE_INFO_ML) \    _avail(XrLocalizationMapML, XR_TYPE_LOCALIZATION_MAP_ML) \    _avail(XrEventDataLocalizationChangedML, XR_TYPE_EVENT_DATA_LOCALIZATION_CHANGED_ML) \    _avail(XrMapLocalizationRequestInfoML, XR_TYPE_MAP_LOCALIZATION_REQUEST_INFO_ML) \    _avail(XrLocalizationMapImportInfoML, XR_TYPE_LOCALIZATION_MAP_IMPORT_INFO_ML) \    _avail(XrLocalizationEnableEventsInfoML, XR_TYPE_LOCALIZATION_ENABLE_EVENTS_INFO_ML) \    _avail(XrSpatialAnchorPersistenceInfoMSFT, XR_TYPE_SPATIAL_ANCHOR_PERSISTENCE_INFO_MSFT) \    _avail(XrSpatialAnchorFromPersistedAnchorCreateInfoMSFT, XR_TYPE_SPATIAL_ANCHOR_FROM_PERSISTED_ANCHOR_CREATE_INFO_MSFT) \    _avail(XrSceneMarkersMSFT, XR_TYPE_SCENE_MARKERS_MSFT) \    _avail(XrSceneMarkerTypeFilterMSFT, XR_TYPE_SCENE_MARKER_TYPE_FILTER_MSFT) \    _avail(XrSceneMarkerQRCodesMSFT, XR_TYPE_SCENE_MARKER_QR_CODES_MSFT) \    _avail(XrSpaceQueryInfoFB, XR_TYPE_SPACE_QUERY_INFO_FB) \    _avail(XrSpaceStorageLocationFilterInfoFB, XR_TYPE_SPACE_STORAGE_LOCATION_FILTER_INFO_FB) \    _avail(XrSpaceUuidFilterInfoFB, XR_TYPE_SPACE_UUID_FILTER_INFO_FB) \    _avail(XrSpaceComponentFilterInfoFB, XR_TYPE_SPACE_COMPONENT_FILTER_INFO_FB) \    _avail(XrSpaceQueryResultsFB, XR_TYPE_SPACE_QUERY_RESULTS_FB) \    _avail(XrEventDataSpaceQueryResultsAvailableFB, XR_TYPE_EVENT_DATA_SPACE_QUERY_RESULTS_AVAILABLE_FB) \    _avail(XrEventDataSpaceQueryCompleteFB, XR_TYPE_EVENT_DATA_SPACE_QUERY_COMPLETE_FB) \    _avail(XrSpaceSaveInfoFB, XR_TYPE_SPACE_SAVE_INFO_FB) \    _avail(XrSpaceEraseInfoFB, XR_TYPE_SPACE_ERASE_INFO_FB) \    _avail(XrEventDataSpaceSaveCompleteFB, XR_TYPE_EVENT_DATA_SPACE_SAVE_COMPLETE_FB) \    _avail(XrEventDataSpaceEraseCompleteFB, XR_TYPE_EVENT_DATA_SPACE_ERASE_COMPLETE_FB) \    _avail(XrSpaceShareInfoFB, XR_TYPE_SPACE_SHARE_INFO_FB) \    _avail(XrEventDataSpaceShareCompleteFB, XR_TYPE_EVENT_DATA_SPACE_SHARE_COMPLETE_FB) \    _avail(XrCompositionLayerSpaceWarpInfoFB, XR_TYPE_COMPOSITION_LAYER_SPACE_WARP_INFO_FB) \    _avail(XrSystemSpaceWarpPropertiesFB, XR_TYPE_SYSTEM_SPACE_WARP_PROPERTIES_FB) \    _avail(XrHapticAmplitudeEnvelopeVibrationFB, XR_TYPE_HAPTIC_AMPLITUDE_ENVELOPE_VIBRATION_FB) \    _avail(XrSemanticLabelsFB, XR_TYPE_SEMANTIC_LABELS_FB) \    _avail(XrRoomLayoutFB, XR_TYPE_ROOM_LAYOUT_FB) \    _avail(XrBoundary2DFB, XR_TYPE_BOUNDARY_2D_FB) \    _avail(XrSemanticLabelsSupportInfoFB, XR_TYPE_SEMANTIC_LABELS_SUPPORT_INFO_FB) \    _avail(XrDigitalLensControlALMALENCE, XR_TYPE_DIGITAL_LENS_CONTROL_ALMALENCE) \    _avail(XrEventDataSceneCaptureCompleteFB, XR_TYPE_EVENT_DATA_SCENE_CAPTURE_COMPLETE_FB) \    _avail(XrSceneCaptureRequestInfoFB, XR_TYPE_SCENE_CAPTURE_REQUEST_INFO_FB) \    _avail(XrSpaceContainerFB, XR_TYPE_SPACE_CONTAINER_FB) \    _avail(XrFoveationEyeTrackedProfileCreateInfoMETA, XR_TYPE_FOVEATION_EYE_TRACKED_PROFILE_CREATE_INFO_META) \    _avail(XrFoveationEyeTrackedStateMETA, XR_TYPE_FOVEATION_EYE_TRACKED_STATE_META) \    _avail(XrSystemFoveationEyeTrackedPropertiesMETA, XR_TYPE_SYSTEM_FOVEATION_EYE_TRACKED_PROPERTIES_META) \    _avail(XrSystemFaceTrackingPropertiesFB, XR_TYPE_SYSTEM_FACE_TRACKING_PROPERTIES_FB) \    _avail(XrFaceTrackerCreateInfoFB, XR_TYPE_FACE_TRACKER_CREATE_INFO_FB) \    _avail(XrFaceExpressionInfoFB, XR_TYPE_FACE_EXPRESSION_INFO_FB) \    _avail(XrFaceExpressionWeightsFB, XR_TYPE_FACE_EXPRESSION_WEIGHTS_FB) \    _avail(XrEyeTrackerCreateInfoFB, XR_TYPE_EYE_TRACKER_CREATE_INFO_FB) \    _avail(XrEyeGazesInfoFB, XR_TYPE_EYE_GAZES_INFO_FB) \    _avail(XrSystemEyeTrackingPropertiesFB, XR_TYPE_SYSTEM_EYE_TRACKING_PROPERTIES_FB) \    _avail(XrEyeGazesFB, XR_TYPE_EYE_GAZES_FB) \    _avail(XrPassthroughKeyboardHandsIntensityFB, XR_TYPE_PASSTHROUGH_KEYBOARD_HANDS_INTENSITY_FB) \    _avail(XrCompositionLayerSettingsFB, XR_TYPE_COMPOSITION_LAYER_SETTINGS_FB) \    _avail(XrHapticPcmVibrationFB, XR_TYPE_HAPTIC_PCM_VIBRATION_FB) \    _avail(XrDevicePcmSampleRateStateFB, XR_TYPE_DEVICE_PCM_SAMPLE_RATE_STATE_FB) \    _avail(XrCompositionLayerDepthTestFB, XR_TYPE_COMPOSITION_LAYER_DEPTH_TEST_FB) \    _avail(XrLocalDimmingFrameEndInfoMETA, XR_TYPE_LOCAL_DIMMING_FRAME_END_INFO_META) \    _avail(XrPassthroughPreferencesMETA, XR_TYPE_PASSTHROUGH_PREFERENCES_META) \    _avail(XrSystemVirtualKeyboardPropertiesMETA, XR_TYPE_SYSTEM_VIRTUAL_KEYBOARD_PROPERTIES_META) \    _avail(XrVirtualKeyboardCreateInfoMETA, XR_TYPE_VIRTUAL_KEYBOARD_CREATE_INFO_META) \    _avail(XrVirtualKeyboardSpaceCreateInfoMETA, XR_TYPE_VIRTUAL_KEYBOARD_SPACE_CREATE_INFO_META) \    _avail(XrVirtualKeyboardLocationInfoMETA, XR_TYPE_VIRTUAL_KEYBOARD_LOCATION_INFO_META) \    _avail(XrVirtualKeyboardModelVisibilitySetInfoMETA, XR_TYPE_VIRTUAL_KEYBOARD_MODEL_VISIBILITY_SET_INFO_META) \    _avail(XrVirtualKeyboardAnimationStateMETA, XR_TYPE_VIRTUAL_KEYBOARD_ANIMATION_STATE_META) \    _avail(XrVirtualKeyboardModelAnimationStatesMETA, XR_TYPE_VIRTUAL_KEYBOARD_MODEL_ANIMATION_STATES_META) \    _avail(XrVirtualKeyboardTextureDataMETA, XR_TYPE_VIRTUAL_KEYBOARD_TEXTURE_DATA_META) \    _avail(XrVirtualKeyboardInputInfoMETA, XR_TYPE_VIRTUAL_KEYBOARD_INPUT_INFO_META) \    _avail(XrVirtualKeyboardTextContextChangeInfoMETA, XR_TYPE_VIRTUAL_KEYBOARD_TEXT_CONTEXT_CHANGE_INFO_META) \    _avail(XrEventDataVirtualKeyboardCommitTextMETA, XR_TYPE_EVENT_DATA_VIRTUAL_KEYBOARD_COMMIT_TEXT_META) \    _avail(XrEventDataVirtualKeyboardBackspaceMETA, XR_TYPE_EVENT_DATA_VIRTUAL_KEYBOARD_BACKSPACE_META) \    _avail(XrEventDataVirtualKeyboardEnterMETA, XR_TYPE_EVENT_DATA_VIRTUAL_KEYBOARD_ENTER_META) \    _avail(XrEventDataVirtualKeyboardShownMETA, XR_TYPE_EVENT_DATA_VIRTUAL_KEYBOARD_SHOWN_META) \    _avail(XrEventDataVirtualKeyboardHiddenMETA, XR_TYPE_EVENT_DATA_VIRTUAL_KEYBOARD_HIDDEN_META) \    _avail(XrExternalCameraOCULUS, XR_TYPE_EXTERNAL_CAMERA_OCULUS) \    _avail(XrPerformanceMetricsStateMETA, XR_TYPE_PERFORMANCE_METRICS_STATE_META) \    _avail(XrPerformanceMetricsCounterMETA, XR_TYPE_PERFORMANCE_METRICS_COUNTER_META) \    _avail(XrSpaceListSaveInfoFB, XR_TYPE_SPACE_LIST_SAVE_INFO_FB) \    _avail(XrEventDataSpaceListSaveCompleteFB, XR_TYPE_EVENT_DATA_SPACE_LIST_SAVE_COMPLETE_FB) \    _avail(XrSpaceUserCreateInfoFB, XR_TYPE_SPACE_USER_CREATE_INFO_FB) \    _avail(XrSystemHeadsetIdPropertiesMETA, XR_TYPE_SYSTEM_HEADSET_ID_PROPERTIES_META) \    _avail(XrRecommendedLayerResolutionMETA, XR_TYPE_RECOMMENDED_LAYER_RESOLUTION_META) \    _avail(XrRecommendedLayerResolutionGetInfoMETA, XR_TYPE_RECOMMENDED_LAYER_RESOLUTION_GET_INFO_META) \    _avail(XrPassthroughColorLutCreateInfoMETA, XR_TYPE_PASSTHROUGH_COLOR_LUT_CREATE_INFO_META) \    _avail(XrPassthroughColorLutUpdateInfoMETA, XR_TYPE_PASSTHROUGH_COLOR_LUT_UPDATE_INFO_META) \    _avail(XrPassthroughColorMapLutMETA, XR_TYPE_PASSTHROUGH_COLOR_MAP_LUT_META) \    _avail(XrPassthroughColorMapInterpolatedLutMETA, XR_TYPE_PASSTHROUGH_COLOR_MAP_INTERPOLATED_LUT_META) \    _avail(XrSystemPassthroughColorLutPropertiesMETA, XR_TYPE_SYSTEM_PASSTHROUGH_COLOR_LUT_PROPERTIES_META) \    _avail(XrSpaceTriangleMeshGetInfoMETA, XR_TYPE_SPACE_TRIANGLE_MESH_GET_INFO_META) \    _avail(XrSpaceTriangleMeshMETA, XR_TYPE_SPACE_TRIANGLE_MESH_META) \    _avail(XrSystemFaceTrackingProperties2FB, XR_TYPE_SYSTEM_FACE_TRACKING_PROPERTIES2_FB) \    _avail(XrFaceTrackerCreateInfo2FB, XR_TYPE_FACE_TRACKER_CREATE_INFO2_FB) \    _avail(XrFaceExpressionInfo2FB, XR_TYPE_FACE_EXPRESSION_INFO2_FB) \    _avail(XrFaceExpressionWeights2FB, XR_TYPE_FACE_EXPRESSION_WEIGHTS2_FB) \    _avail(XrPassthroughCreateInfoHTC, XR_TYPE_PASSTHROUGH_CREATE_INFO_HTC) \    _avail(XrPassthroughColorHTC, XR_TYPE_PASSTHROUGH_COLOR_HTC) \    _avail(XrPassthroughMeshTransformInfoHTC, XR_TYPE_PASSTHROUGH_MESH_TRANSFORM_INFO_HTC) \    _avail(XrCompositionLayerPassthroughHTC, XR_TYPE_COMPOSITION_LAYER_PASSTHROUGH_HTC) \    _avail(XrFoveationApplyInfoHTC, XR_TYPE_FOVEATION_APPLY_INFO_HTC) \    _avail(XrFoveationDynamicModeInfoHTC, XR_TYPE_FOVEATION_DYNAMIC_MODE_INFO_HTC) \    _avail(XrFoveationCustomModeInfoHTC, XR_TYPE_FOVEATION_CUSTOM_MODE_INFO_HTC) \    _avail(XrSystemAnchorPropertiesHTC, XR_TYPE_SYSTEM_ANCHOR_PROPERTIES_HTC) \    _avail(XrSpatialAnchorCreateInfoHTC, XR_TYPE_SPATIAL_ANCHOR_CREATE_INFO_HTC) \    _avail(XrActiveActionSetPrioritiesEXT, XR_TYPE_ACTIVE_ACTION_SET_PRIORITIES_EXT) \    _avail(XrSystemForceFeedbackCurlPropertiesMNDX, XR_TYPE_SYSTEM_FORCE_FEEDBACK_CURL_PROPERTIES_MNDX) \    _avail(XrForceFeedbackCurlApplyLocationsMNDX, XR_TYPE_FORCE_FEEDBACK_CURL_APPLY_LOCATIONS_MNDX) \    _avail(XrHandTrackingDataSourceInfoEXT, XR_TYPE_HAND_TRACKING_DATA_SOURCE_INFO_EXT) \    _avail(XrHandTrackingDataSourceStateEXT, XR_TYPE_HAND_TRACKING_DATA_SOURCE_STATE_EXT) \    _avail(XrSystemPlaneDetectionPropertiesEXT, XR_TYPE_SYSTEM_PLANE_DETECTION_PROPERTIES_EXT) \    _avail(XrPlaneDetectorCreateInfoEXT, XR_TYPE_PLANE_DETECTOR_CREATE_INFO_EXT) \    _avail(XrPlaneDetectorBeginInfoEXT, XR_TYPE_PLANE_DETECTOR_BEGIN_INFO_EXT) \    _avail(XrPlaneDetectorGetInfoEXT, XR_TYPE_PLANE_DETECTOR_GET_INFO_EXT) \    _avail(XrPlaneDetectorLocationEXT, XR_TYPE_PLANE_DETECTOR_LOCATION_EXT) \    _avail(XrPlaneDetectorLocationsEXT, XR_TYPE_PLANE_DETECTOR_LOCATIONS_EXT) \    _avail(XrPlaneDetectorPolygonBufferEXT, XR_TYPE_PLANE_DETECTOR_POLYGON_BUFFER_EXT) \    _avail(XrEventDataUserPresenceChangedEXT, XR_TYPE_EVENT_DATA_USER_PRESENCE_CHANGED_EXT) \    _avail(XrSystemUserPresencePropertiesEXT, XR_TYPE_SYSTEM_USER_PRESENCE_PROPERTIES_EXT) \    _avail(XrEventDataHeadsetFitChangedML, XR_TYPE_EVENT_DATA_HEADSET_FIT_CHANGED_ML) \    _avail(XrEventDataEyeCalibrationChangedML, XR_TYPE_EVENT_DATA_EYE_CALIBRATION_CHANGED_ML) \    _avail(XrUserCalibrationEnableEventsInfoML, XR_TYPE_USER_CALIBRATION_ENABLE_EVENTS_INFO_ML) \#if defined(XR_USE_GRAPHICS_API_D3D11)