import { AnyLinkType, ScaleType } from "../../types";
/**
 * Interface representing a link between layers.
 */
export interface ILink {
    /**
     * The source layers ID.
     */
    source: string;
    /**
     * The type of the link (e.g., width, height, etc.).
     */
    type: AnyLinkType;
    /**
     * The additional spacing applied to the link.
     */
    additionalSpacing: ScaleType;
}
/**
 * Class representing a link between layers with properties and methods to manipulate it.
 */
export declare class Link {
    /**
     * The source layers ID.
     */
    source: string;
    /**
     * The type of the link (e.g., width, height, etc.).
     */
    type: AnyLinkType;
    /**
     * The additional spacing applied to the link.
     */
    additionalSpacing: ScaleType;
    /**
     * Constructs a new Link instance.
     * @param opts {Object} - Optional properties for the link.
     * @param opts.props {ILink} - The link properties.
     */
    constructor(opts?: {
        props?: ILink;
    });
    /**
     * Sets the source of the link.
     * @param source {string} - The ID of the layer to link.
     * @returns {this} The current instance for chaining.
     */
    setSource(source: string): this;
    /**
     * Sets the type of the link.
     * @param type {AnyLinkType} - The type of the link.
     * @returns {this} The current instance for chaining.
     */
    setType(type: AnyLinkType): this;
    /**
     * Sets the additional spacing of the link.
     * @param additionalSpacing {ScaleType} - The additional spacing of the link.
     * @returns {this} The current instance for chaining.
     */
    setSpacing(additionalSpacing: ScaleType): this;
    /**
     * Converts the Link instance to a JSON representation.
     * @returns {ILink} The JSON representation of the link.
     */
    toJSON(): ILink;
}