/**
 * useGitBranch Hook
 *
 * Detects the current git branch name for the working directory.
 * Returns undefined if not in a git repository or if git command fails.
 */
/**
 * Hook that returns the current git branch name
 * @param cwd - Working directory to check (defaults to process.cwd())
 * @returns Branch name string or undefined if not in git repo or command fails
 */
export declare function useGitBranch(cwd?: string): string | undefined;
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