/**
 * Fenced-code-block range computation shared by text scanners that must not
 * trip on markup quoted inside ``` / ~~~ blocks (harmony-leak detection,
 * leaked tool-call salvage).
 */
/** A `[start, end)` byte span covered by a fenced code block. */
export type FenceRange = readonly [number, number];
/**
 * Precompute fenced-code-block ranges once per text. Each range is a
 * [start, end) span of bytes inside any ```/~~~ fence. O(n) once instead of
 * O(n) per detected match.
 */
export declare function computeFenceRanges(text: string): FenceRange[];
export declare function isInsideFence(ranges: readonly FenceRange[], position: number): boolean;