export declare const CAConstraintAttribute: {
    readonly kCAConstraintMinX: 0;
    readonly kCAConstraintMidX: 1;
    readonly kCAConstraintMaxX: 2;
    readonly kCAConstraintWidth: 3;
    readonly kCAConstraintMinY: 4;
    readonly kCAConstraintMidY: 5;
    readonly kCAConstraintMaxY: 6;
    readonly kCAConstraintHeight: 7;
};
export type CAConstraintAttribute = typeof CAConstraintAttribute[keyof typeof CAConstraintAttribute];
