import { NotAllowed } from '../../../../src/errors/NotAllowed';
/**
 * Failure category used by OpenAI Codex retry/fail-fast handling.
 */
export type CodexFailureKind = 'credits-required' | 'rate-limit' | 'other';
/**
 * Classifies one Codex failure message into retry/fail-fast categories.
 */
export declare function classifyCodexFailure(details: string): CodexFailureKind;
/**
 * Builds a fail-fast error for cases where credit spending is disallowed.
 */
export declare function buildCreditsDisallowedError(details: string): NotAllowed;
/**
 * Extracts a text description from unknown thrown values.
 */
export declare function extractCodexFailureDetails(error: unknown): string;
/**
 * Trims very long CLI error output to keep logs and thrown messages readable.
 */
export declare function limitErrorDetails(details: string, maxChars?: number): string;