import { WebClient } from '@slack/web-api';
import type { CreateSlackServiceParams, OmitClient, SlackFindUserParams, SlackIsUserActivatedParams } from "../types/index.js";
export declare function createSlackService({ token: customToken, sandbox, client: overrideClient, secrets: secretsId, }?: CreateSlackServiceParams): Promise<{
    type: "slack";
    client: WebClient;
    credentials: import("../types/index.js").SlackCredentials;
    findUser: (params: OmitClient<SlackFindUserParams>) => Promise<import("../types/index.js").SlackUser | undefined>;
    isUserActivated: (params: OmitClient<SlackIsUserActivatedParams>) => Promise<boolean>;
}>;