import { type IViewportApi } from "@shapediver/viewer";
import { type ITreeNode } from "@shapediver/viewer.shared.node-tree";
import { type IInteractionEffect, type IInteractionEffectUtils } from "../../interfaces/utils/IInteractionEffectUtils";
export declare class InteractionEffectUtils implements IInteractionEffectUtils {
    #private;
    get viewport(): IViewportApi | undefined;
    set viewport(value: IViewportApi | undefined);
    /**
     * Apply the effect material to the node and all descendants.
     *
     * @param node
     * @param material
     * @returns
     */
    applyInteractionEffect(node: ITreeNode, effect: IInteractionEffect): string;
    /**
     * Remove the effect material with the specified token from the node and all descendants.
     *
     * @param node
     * @param token
     */
    removeInteractionEffect(node: ITreeNode, token: string): void;
    private gatherGeometries;
}
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