import { InputStickerInput } from '../inputs';
import { ErrorUnion, StickerSetUnion } from '../outputs';
/**
 * Adds a new sticker to a set; for bots only. Returns the sticker set
 * @param {Object} params
 * @param {number} [params.userId] - Sticker set owner
 * @param {string} [params.name] - Sticker set name
 * @param {InputStickerInput} [params.sticker] - Sticker to add to the set
 * @param {Object} state
 * @returns {StickerSetUnion | ErrorUnion}
 */
export declare type AddStickerToSetMethod = <ResponseT = StickerSetUnion>(params: AddStickerToSetParams, state?: Record<string, any>) => Promise<ResponseT | ErrorUnion>;
export interface AddStickerToSetParams {
    /** Sticker set owner */
    userId?: number;
    /** Sticker set name */
    name?: string;
    /** Sticker to add to the set */
    sticker?: InputStickerInput;
}