import type { PackErrorCode, PackErrorDetail } from '@forgeax/engine-types';
import type { PackAuthoringError } from './pack-authoring.js';
/**
 * Structured error for the engine-pack disk scanner fail-fast chain.
 *
 * AI users consume via exhaustive switch on .code — no default case needed:
 * ```ts
 * switch (err.code) {
 *   case 'pack-guid-collision':
 *     console.error(err.detail.paths);
 *     break;
 *   case 'pack-cyclic-reference':
 *     console.error(err.detail.cycle);
 *     break;
 *   // ...all 8 cases
 * }
 * ```
 */
export declare class PackError extends Error {
    readonly code: PackErrorCode;
    readonly expected: string;
    readonly hint: string;
    readonly detail: PackErrorDetail;
    readonly cause?: PackAuthoringError;
    constructor(args: {
        code: PackErrorCode;
        expected: string;
        hint: string;
        detail: PackErrorDetail;
        cause?: PackAuthoringError;
    });
}
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