import { ITelegramClient } from '../../client.types.js';
import { InputPeerLike } from '../../types/index.js';
/**
 * Unban a user/channel from a supergroup or a channel,
 * or remove any restrictions that they have.
 * Unbanning does not add the user back to the chat, this
 * just allows the user to join the chat again, if they want.
 *
 * This method acts as a no-op in case a legacy group is passed.
 */
export declare function unbanChatMember(client: ITelegramClient, params: {
    /** Chat ID */
    chatId: InputPeerLike;
    /** User/channel ID who should be unbanned */
    participantId: InputPeerLike;
}): Promise<void>;