export declare const SCNSceneSourceLoadingOption: {
    readonly SCNSceneSourceCreateNormalsIfAbsentKey: "kSceneSourceCreateNormalsIfAbsent";
    readonly SCNSceneSourceCheckConsistencyKey: "kSceneSourceCheckConsistency";
    readonly SCNSceneSourceFlattenSceneKey: "kSceneSourceFlattenScene";
    readonly SCNSceneSourceUseSafeModeKey: "kSceneSourceUseSafeMode";
    readonly SCNSceneSourceAssetDirectoryURLsKey: "kSceneSourceAssetDirectoryURLs";
    readonly SCNSceneSourceOverrideAssetURLsKey: "kSceneSourceOverrideAssetURLs";
    readonly SCNSceneSourceStrictConformanceKey: "kSceneSourceStrictConformanceKey";
    readonly SCNSceneSourceConvertUnitsToMetersKey: "kSceneSourceConvertToUnit";
    readonly SCNSceneSourceConvertToYUpKey: "kSceneSourceConvertToYUpIfNeeded";
    readonly SCNSceneSourceAnimationImportPolicyKey: "kSceneSourceAnimationLoadingMode";
    readonly PreserveOriginalTopology: "kSceneSourcePreserveOriginalTopology";
};
export type SCNSceneSourceLoadingOption = typeof SCNSceneSourceLoadingOption[keyof typeof SCNSceneSourceLoadingOption];
