import type { CommandDescriptor } from './types.ts';
/** Mirrors git check-ref-format: refnames are untrusted input, and a
 * malformed one would either compute a wrong range or break rev-parse.
 *
 * Empirical references (git 2.55.0.windows.3, `git check-ref-format <ref>`):
 *   - `foo./bar` → valid (only the whole ref may not end with a dot)
 *   - `feature/-lead` → valid (leading dashes are legal components)
 *   - `foo.lock`, `foo.Lock` → invalid on this git build. The man page only
 *     documents ".lock", so the case-insensitive match here is intentional,
 *     fail-closed strictness rather than a documented git rule.
 *
 * We intentionally do NOT require a slash — GitHub allows onelevel branches
 * like `main`. Leading dashes are safe because refs are always passed through
 * originRef() (never parsed as a flag).
 */
export declare function isValidRefname(name: string): boolean;
export declare const command: CommandDescriptor;
export declare function prSync(args: string[]): Promise<void>;
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