import type { UIOrientation } from "../../miscellaneous/UIOrientation";
import type { UIPriority } from "../../miscellaneous/UIPriority";
import type { UIRelation } from "../../miscellaneous/UIRelation";
/** Horizontal and vertical values object */
export interface UIType2DObject<T> {
    /** Horizontal value */
    h?: T;
    /** Vertical value */
    v?: T;
}
/** Horizontal and vertical values as object, tuple, or single value */
export type UIType2D<T> = UIType2DObject<T> | [T, T] | T;
/**
 * Normalizes UIType2D input to object form.
 * @param value Object, tuple, or single value
 * @returns Normalized object with h and v properties
 */
export declare function normalizeUIType2D<T>(value: UIType2D<T> | undefined): UIType2DObject<T>;
/** Base 2D constraint options */
export interface UIConstraint2DOptions {
    /** Priority for each axis */
    priority: UIType2D<UIPriority>;
    /** Relation for each axis */
    relation: UIType2D<UIRelation>;
    /** Orientation for each axis */
    orientation: UIType2D<UIOrientation>;
}
/** 2D size constraint options */
export interface UIConstraintSize2DOptions extends UIConstraint2DOptions {
    /** Width and height */
    size: UIType2D<number>;
}
/** 2D distance constraint options */
export interface UIConstraintDistance2DOptions extends UIConstraint2DOptions {
    /** Anchor on element A for each axis */
    anchorA: UIType2D<number>;
    /** Anchor on element B for each axis */
    anchorB: UIType2D<number>;
    /** Distance for each axis */
    distance: UIType2D<number>;
}
/** 2D proportion constraint options */
export interface UIConstraintProportion2DOptions extends UIConstraint2DOptions {
    /** Proportion for each axis */
    proportion: UIType2D<number>;
}
/** 2D interpolation constraint options */
export interface UIConstraintInterpolation2DOptions extends UIConstraint2DOptions {
    /** Anchor on element A for each axis */
    anchorA: UIType2D<number>;
    /** Anchor on element B for each axis */
    anchorB: UIType2D<number>;
    /** Anchor on element C for each axis */
    anchorC: UIType2D<number>;
    /** Interpolation factor for each axis */
    t: UIType2D<number>;
}
/** Horizontal and vertical constraint pair */
export interface UIConstraint2DResult<TH, TV> {
    /** Horizontal constraint */
    h: TH;
    /** Vertical constraint */
    v: TV;
}