export declare const MTLAccelerationStructureUsage: {
    readonly None: 0;
    readonly Refit: 1;
    readonly PreferFastBuild: 2;
    readonly ExtendedLimits: 4;
    readonly PreferFastIntersection: 16;
    readonly MinimizeMemory: 32;
};
export type MTLAccelerationStructureUsage = (number & {}) | typeof MTLAccelerationStructureUsage[keyof typeof MTLAccelerationStructureUsage];
