/**
 * Pre-constructed tools for common text encodings and decoding operations.
 *
 * @module @nhtio/adk/batteries/tools/encoding
 *
 * @remarks
 * Pre-constructed bundled tools for the `encoding` category. Import individually, the whole
 * category, or import every tool via `@nhtio/adk/batteries`.
 */
import { Tool } from "../../../common";
/**
 * Encode or decode text using common schemes: base64, url (percent-encoding), html_entities.
 *
 * @remarks
 * `base64` uses the portable `globalThis.btoa`/`atob` pair so the tool works in browsers, Node,
 * and edge runtimes. Encoding/decoding errors are returned as `Error:` strings rather than
 * thrown so the model can react in-line.
 */
export declare const encodeTextTool: Tool<import("../../../common").SpooledArtifact>;
/**
 * Escape or unescape special characters for a target context.
 *
 * @remarks
 * Supports `json_string`, `regex`, `csv_field`, `sql_like`, and `markdown` targets. Returns
 * an error string for unknown targets rather than throwing.
 */
export declare const textEscapeTool: Tool<import("../../../common").SpooledArtifact>;
/**
 * Normalize Unicode text or extract code points.
 *
 * @remarks
 * Operations: NFC, NFD, NFKC, NFKD Unicode normalization forms (via `String.prototype.normalize`),
 * `strip_accents` (NFD-decompose, remove combining diacritics, re-compose to NFC), or
 * `code_points` (one `U+HHHH (char)` per line).
 */
export declare const unicodeNormalizeTool: Tool<import("../../../common").SpooledArtifact>;