import type { Transform, Urn } from "forma-elements";
import type { IframeMessenger } from "../iframe-messenger.js";
/**
 * Render elements in the 3D scene.
 *
 * @remarks
 * Available via {@link auto.Forma | Forma}.{@link index.EmbeddedViewSdk.experimental | experimental}.{@link index.EmbeddedViewSdk.render | render}.{@link render.RenderApi.element | element}.
 */
export declare class RenderElementApi {
    #private;
    constructor(iframeMessenger: IframeMessenger);
    /**
     * Add elements to the scene.
     *
     * @returns Unique identifier for this render call
     *
     * @example
     * const { id } = await Forma.render.element.add({ elements: [{ urn: <urn> }] }),
     */
    add(request: {
        /** A list of elements with their transforms */
        elements: {
            urn: Urn;
            transform?: Transform;
        }[];
    }): Promise<{
        id: string;
    }>;
    /**
     * Upsert an element in the scene. If the element does not exist, it will be added.
     *
     * This method can also be used as an upsert.
     *
     * @example
     * await Forma.render.element.update({ id: "myPreviousAddedGroup", elements: [{ urn: <urn> }] })
     */
    update(request: {
        /** Id of group to update. Obtained when adding elements using the Forma.render.element.add function */
        id: string;
        /** A list of elements with their transforms */
        elements: {
            urn: Urn;
            transform?: Transform;
        }[];
    }): Promise<void>;
    /**
     * Remove an existing element group from the scene.
     *
     * @example
     * await Forma.render.element.remove({ id: "myPreviousAddedGroup" })
     */
    remove(request: {
        /** Scene identifier of the Element object to remove. */
        id: string;
    }): Promise<void>;
    /**
     * Remove all Elements added by this API from the scene.
     *
     * Called automatically when the extension is unloaded
     *
     * @example
     * await Forma.render.element.cleanup()
     */
    cleanup(): Promise<void>;
}