import type { ExtensionAPI } from "@earendil-works/pi-coding-agent";
/**
 * Context-window-specific overflow patterns only. Deliberately does NOT
 * include broader phrases like /too many tokens/i or /max context/i, which
 * risk matching rate-limit/quota-exceeded messages - rewriting those would
 * falsely trigger Pi's compaction-and-retry path instead of its normal
 * retry-with-backoff path for throttling. See docs/custom-provider.md
 * "Context Overflow Errors".
 */
export declare const DEFAULT_OVERFLOW_PATTERNS: RegExp[];
/**
 * Normalizes Vyce AI's overflow error messages so Pi recognizes them and
 * auto-recovers (drop failed message, compact, retry once). Mirrors the
 * canonical recipe in docs/custom-provider.md, with the added
 * `stopReason === "error"` guard run before any regex work.
 */
export declare function installOverflowRewriter(pi: ExtensionAPI, providerId: string, patterns: RegExp[]): void;