import { IStorageProvider } from "../storage/storage.interface";
import { ITokenCacheStorage, Integration, SlackCallbackPayload, SlackCallbackResult, SlackInstallContext, SlackInstallUrlResult, SlackSDKOptions } from "../types";
export declare class SlackProvider {
    private storage;
    private cacheStorage;
    private options;
    constructor(storage: IStorageProvider, cacheStorage: ITokenCacheStorage | undefined, options: SlackSDKOptions | undefined);
    buildInstallUrl(context: SlackInstallContext): Promise<SlackInstallUrlResult>;
    handleInstallCallback(payload: SlackCallbackPayload): Promise<SlackCallbackResult>;
    getValidAccessToken(conn: Integration): Promise<string>;
    invalidateTokens(conn: Integration): Promise<void>;
    resolve<T>(conn: Integration): Promise<T>;
    private getRequiredOptions;
    private getOAuthStrategy;
    private getOAuthAdapter;
    private primeAccessTokenCache;
    private getTtlSeconds;
    private exchangeAuthorizationCode;
    private fetchTeamInfo;
}