export interface ChangedFile {
    file: string;
    status: "added" | "modified" | "deleted" | "renamed";
    additions: number;
    deletions: number;
}
/**
 * Get list of changed files from git diff
 * Compares against the merge base with main/master or HEAD if not on a branch
 */
export declare function getChangedFiles(cwd: string): Promise<ChangedFile[]>;
/**
 * Get the content of a file at a specific git ref
 */
export declare function getFileAtRef(cwd: string, file: string, ref?: string): Promise<string | null>;
/**
 * Check if we're in a git repository
 */
export declare function isGitRepo(cwd: string): Promise<boolean>;
/**
 * Get the root of the git repository
 */
export declare function getGitRoot(cwd: string): Promise<string | null>;
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