/**
 * Git Service - Utility for git operations
 * @requirement FR-003, FR-004 - Git repository detection and file change detection
 *
 * Provides utilities for checking git repository status, detecting file changes,
 * and committing files. Used by task completion service for auto-commit feature.
 */
/**
 * Git Service - Static utility class for git operations
 */
export declare class GitService {
    /**
     * Check if current directory is a git repository
     * @param dir Optional directory to check (defaults to process.cwd())
     * @returns true if git repository exists, false otherwise
     * @requirement FR-003 - Git repository detection
     */
    static isGitRepo(dir?: string): Promise<boolean>;
    /**
     * Check if file has uncommitted changes
     * @param filePath Path to file relative to git root
     * @returns true if file has uncommitted changes, false otherwise
     * @requirement FR-004 - File change detection
     */
    static hasUncommittedChanges(filePath: string): Promise<boolean>;
    /**
     * Stage file for commit
     * @param filePath Path to file relative to git root
     * @throws Error if git add fails
     * @requirement FR-001 - Auto-commit completion status
     */
    static stageFile(filePath: string): Promise<void>;
    /**
     * Commit staged files with message
     * @param message Commit message
     * @throws Error if git commit fails
     * @requirement FR-001, FR-005 - Auto-commit with proper message format
     */
    static commitFiles(message: string): Promise<void>;
    /**
     * Check if git command is available
     * @returns true if git is available, false otherwise
     * @requirement FR-003 - Git repository detection
     */
    static isGitAvailable(): Promise<boolean>;
}