import { RedisXError, ErrorCode } from '@nestjs-redisx/core';
import { IRateLimitResult } from '../types';
/**
 * Base error class for rate limit errors.
 */
export declare class RateLimitError extends RedisXError {
    readonly result?: IRateLimitResult | undefined;
    constructor(message: string, code: ErrorCode, result?: IRateLimitResult | undefined, cause?: Error);
}
/**
 * Error thrown when rate limit is exceeded.
 */
export declare class RateLimitExceededError extends RateLimitError {
    constructor(message: string, result: IRateLimitResult);
    /**
     * Seconds until retry is allowed.
     */
    get retryAfter(): number;
}
/**
 * Error thrown when Lua script execution fails.
 */
export declare class RateLimitScriptError extends RateLimitError {
    constructor(message: string, cause?: Error);
}
/**
 * Error thrown when plugin or per-call configuration is invalid.
 * Always fail-fast: never subject to the errorPolicy.
 */
export declare class InvalidRateLimitConfigError extends RateLimitError {
    constructor(message: string);
}
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