import Transport from 'winston-transport';
import type { KythiaClient } from '../types';
interface DiscordWebhookTransportOptions extends Transport.TransportStreamOptions {
    webhookUrl: string;
    client?: KythiaClient;
    webhookLogFilter?: string;
    flushIntervalMs?: number;
    maxBatchSize?: number;
    maxQueueSize?: number;
}
export declare class DiscordWebhookTransport extends Transport {
    private readonly _webhookUrl;
    private _client?;
    private readonly _FLUSH_INTERVAL_MS;
    private readonly _MAX_BATCH_SIZE;
    private readonly _MAX_QUEUE_SIZE;
    private readonly _allowedLevels;
    private readonly _queue;
    private _flushTimer;
    private static readonly _USER_ERROR_PATTERNS;
    constructor(opts: DiscordWebhookTransportOptions);
    private _isUserError;
    private _startFlushTimer;
    private _buildContainer;
    private _flush;
    log(info: Record<string, unknown>, callback: () => void): void;
    setClient(client: KythiaClient): void;
    shutdown(): Promise<void>;
}
export declare function attachWebhookTransport(logger: {
    add: (t: Transport) => unknown;
}, webhookUrl: string | undefined, client?: KythiaClient, webhookLogFilter?: string): DiscordWebhookTransport | null;
export {};
//# sourceMappingURL=DiscordWebhookTransport.d.ts.map