import type { UILayerElement, UIPlaneElement } from "../../miscellaneous/shared";
import { UISingleParameterConstraint } from "../UISingleParameterConstraint/UISingleParameterConstraint";
import type { UIWidthConstraintOptions } from "./UIWidthConstraint.Internal";
/** Fixes element width to constant value */
export declare class UIWidthConstraint extends UISingleParameterConstraint {
    readonly element: UIPlaneElement & UILayerElement;
    /** Solver constraint descriptor */
    protected readonly constraint: number;
    /** Current width value */
    private widthInternal;
    /**
     * @param element Element to constrain
     * @param options Width configuration. Defaults to element's current width.
     */
    constructor(element: UIPlaneElement & UILayerElement, options?: Partial<UIWidthConstraintOptions>);
    /** Current width in world units */
    get width(): number;
    /** Updates width */
    set width(value: number);
}