import { ChatUnion, ErrorUnion } from '../outputs';
/**
 * Searches a public chat by its username. Currently only private chats, supergroups
 * and channels can be public. Returns the chat if found; otherwise an error is returned
 * @param {Object} params
 * @param {string} [params.username] - Username to be resolved
 * @param {Object} state
 * @returns {ChatUnion | ErrorUnion}
 */
export declare type SearchPublicChatMethod = <ResponseT = ChatUnion>(params: SearchPublicChatParams, state?: Record<string, any>) => Promise<ResponseT | ErrorUnion>;
export interface SearchPublicChatParams {
    /** Username to be resolved */
    username?: string;
}