import type { TSchema } from "typebox";
/**
 * Recursively walks a TypeBox schema and a data value in tandem,
 * truncating any string that exceeds its schema's `maxLength`.
 *
 * Mutates `data` in place (caller is expected to pass throwaway data).
 * Handles objects, arrays, and TypeBox `Nullable` unions (`anyOf` with
 * a `null` type branch).
 */
export declare function clampMaxLengths(schema: TSchema, data: unknown): void;
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