export declare const MTLTessellationFactorStepFunction: {
    readonly Constant: 0;
    readonly PerPatch: 1;
    readonly PerInstance: 2;
    readonly PerPatchAndPerInstance: 3;
};
export type MTLTessellationFactorStepFunction = typeof MTLTessellationFactorStepFunction[keyof typeof MTLTessellationFactorStepFunction];
