import type { UILayerElement, UIPlaneElement } from "../../miscellaneous/shared";
import { UIAspectConstraint } from "../UIAspectConstraint/UIAspectConstraint";
import { UIHorizontalDistanceConstraint } from "../UIHorizontalDistanceConstraint/UIHorizontalDistanceConstraint";
import { UIHorizontalProportionConstraint } from "../UIHorizontalProportionConstraint/UIHorizontalProportionConstraint";
import { UIVerticalDistanceConstraint } from "../UIVerticalDistanceConstraint/UIVerticalDistanceConstraint";
import { UIVerticalProportionConstraint } from "../UIVerticalProportionConstraint/UIVerticalProportionConstraint";
import type { UIFitConstraintBuilderOptions } from "./UIFitConstraintBuilder.Internal";
/** Builder for fit layout (like CSS object-fit: contain) */
export declare class UIFitConstraintBuilder {
    /**
     * Creates fit layout constraints.
     * @param passive Container element
     * @param active Content element that fits within container
     * @param options Fit configuration
     * @returns Created constraints
     */
    static build(passive: UIPlaneElement, active: UIPlaneElement & UILayerElement, options?: Partial<UIFitConstraintBuilderOptions>): {
        /** Aspect constraint if keepActiveAspect is true */
        activeAspectConstraint?: UIAspectConstraint;
        /** Horizontal position constraint */
        xConstraint: UIHorizontalDistanceConstraint;
        /** Vertical position constraint */
        yConstraint: UIVerticalDistanceConstraint;
        /** Width constraint (ensures fitting) */
        widthConstraint: UIHorizontalProportionConstraint;
        /** Height constraint (ensures fitting) */
        heightConstraint: UIVerticalProportionConstraint;
    };
}