import type { DeliveryReadinessErrorCode } from "@a4anthony/proctorkit-types";
export type { DeliveryReadinessErrorCode } from "@a4anthony/proctorkit-types";
/**
 * Mandatory evidence-delivery verification failed. This is deliberately an
 * observable error, not a configurable feature: hosts can explain or log the
 * failure but cannot weaken the readiness gate.
 */
export declare class DeliveryReadinessError extends Error {
    readonly code: DeliveryReadinessErrorCode;
    readonly status: number | undefined;
    /** Structured operator diagnostics. Never render this object in candidate UI. */
    readonly details: Readonly<Record<string, string | number>> | undefined;
    constructor(code: DeliveryReadinessErrorCode, message: string, options?: {
        cause?: unknown;
        status?: number;
        details?: Readonly<Record<string, string | number>>;
    });
}
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