import type { Region, ToolErrorCode, ToolFailure, ToolMeta } from "../types.js";
export declare class LeetCodeToolError extends Error {
    readonly code: ToolErrorCode;
    readonly retryable: boolean;
    readonly retryAfterMs: number | undefined;
    readonly operationId: string | undefined;
    readonly details: Record<string, string | number | boolean | null> | undefined;
    constructor(code: ToolErrorCode, message: string, options?: {
        retryable?: boolean;
        retryAfterMs?: number;
        operationId?: string;
        details?: Record<string, string | number | boolean | null>;
        cause?: unknown;
    });
}
export declare function toToolFailure(error: unknown, meta: ToolMeta, fallbackCode?: ToolErrorCode): ToolFailure;
export declare function unsupportedRegion(region: never): LeetCodeToolError;
export declare function authRequired(region: Region): LeetCodeToolError;
//# sourceMappingURL=errors.d.ts.map