/**
 * Pretty-printer for TDC `.tdc` documents.
 *
 * Re-emits the parsed tree with consistent indentation, tidy attribute
 * spacing, inline output rows, and an aligned `<map>` table. It is built to be
 * SAFE: the formatted text must generate byte-identical output to the original
 * (guaranteed by `format.test.ts`, which renders before/after and compares).
 *
 * What is preserved verbatim:
 *   - `<data>` bodies — literal generator output (incl. `<data pair="…">`).
 *   - Comments — reinjected from the token stream by position.
 *   - Attribute order and values.
 *
 * What is normalized:
 *   - Indentation (4 spaces per level) and one element per line for structure.
 *   - A single space between attributes; no space before `>` / `/>`.
 *   - `<map>` rows: compact on one line if short, else an aligned table.
 *
 * If the document has a syntax error, formatting is refused (returns the
 * source unchanged) — never format a file we can't fully parse.
 */
/** Format a `.tdc` source string. Returns it unchanged if it has syntax errors. */
export declare function formatTdc(source: string): string;
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