/**
 * Infrastructure: Resilient Transport Decorator
 * Adds Retry, Circuit Breaker, and DLQ capabilities to any transport
 */
import { LogEntry } from '../../domain/entities/LogEntry';
import { ICircuitBreaker } from '../../domain/interfaces/ICircuitBreaker';
import { IDeadLetterQueue } from '../../domain/interfaces/IDeadLetterQueue';
import { ILogTransport, TransportHealth, TransportMetrics } from '../../domain/interfaces/ILogTransport';
export interface ResilientTransportConfig {
    maxRetries?: number;
    retryDelay?: number;
}
export declare class ResilientTransport implements ILogTransport {
    private readonly transport;
    private readonly config;
    private readonly circuitBreaker?;
    private readonly dlq?;
    private metrics;
    private lastDlqWarningAt;
    private destroyed;
    private sleepers;
    constructor(transport: ILogTransport, config: ResilientTransportConfig, circuitBreaker?: ICircuitBreaker | undefined, dlq?: IDeadLetterQueue | undefined);
    send(entries: LogEntry[]): Promise<void>;
    private enqueueToDlq;
    private retryOperation;
    private isRetryableError;
    isAvailable(): Promise<boolean>;
    getHealth(): TransportHealth;
    getMetrics(): TransportMetrics | undefined;
    destroy(): Promise<void>;
}
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