import { Context } from 'koishi';
import { Config } from '../config';
import { GitHubInternal } from './api/internal';
import { GitHubBotWithUnsupported } from './api/unsupported';
export declare class GitHubBotComplete extends GitHubBotWithUnsupported {
    internal: GitHubInternal;
    private pollRunning;
    private pollFailureStreak;
    private pollBackoffUntil;
    constructor(ctx: Context, config: Config, username: string);
    poll(isFirstPoll?: boolean): Promise<void>;
    verifyWebhookSignature(payload: string, signature: string): boolean;
}