#!/usr/bin/env node
/**
 * xml-format  CLI  (G18 — pretty-print CLI command)
 * ───────────────────────────────────────────────────
 * Formats XML files with configurable indentation.
 * Reuses the existing XmlParser + XmlSerializer pipeline.
 *
 * Usage
 * ─────
 *   xml-format [file.xml ...]  [options]
 *   xml-format -                    # read from stdin
 *   cat file.xml | xml-format       # pipe
 *
 * Options
 * ───────
 *   --indent,-i <n>      Spaces per indent level (default: 2)
 *   --no-declaration     Omit the <?xml ...?> declaration
 *   --no-self-close      Emit <tag></tag> instead of <tag/>
 *   --sort-attributes    Sort attributes alphabetically
 *   --output,-o <file>   Write output to file instead of stdout
 *   --check              Exit 0 if already formatted, 1 if not (no output)
 *   --quiet,-q           No output (only exit code)
 *   --stdin              Read from stdin
 *   -h, --help           Show this help
 *   -v, --version        Show version
 *
 * Exit codes
 * ──────────
 *   0 – success (or file already formatted in --check mode)
 *   1 – formatting changed the file (--check mode only)
 *   2 – usage / file error
 */
export declare function formatMain(): Promise<void>;
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