import { ErrorUnion, StickerSetsUnion } from '../outputs';
/**
 * Returns a list of installed sticker sets
 * @param {Object} params
 * @param {boolean} [params.isMasks] - Pass true to return mask sticker sets; pass
 * false to return ordinary sticker sets
 * @param {Object} state
 * @returns {StickerSetsUnion | ErrorUnion}
 */
export declare type GetInstalledStickerSetsMethod = <ResponseT = StickerSetsUnion>(params: GetInstalledStickerSetsParams, state?: Record<string, any>) => Promise<ResponseT | ErrorUnion>;
export interface GetInstalledStickerSetsParams {
    /** Pass true to return mask sticker sets; pass false to return ordinary sticker sets */
    isMasks?: boolean;
}