/**
 * Setup Mergiraf Runner — Programmatic API for configuring mergiraf as git merge driver.
 *
 * Exports `setupMergiraf()` so mergiraf configuration can be invoked from code
 * without going through process.argv / process.env / process.exit.
 */
export interface SetupMergirafConfig {
    /** Show what would be done without making changes (default: false) */
    dryRun?: boolean;
    /** Only configure for agent worktrees, not the whole repo (default: false) */
    worktreeOnly?: boolean;
    /** Skip mergiraf binary check (default: false) */
    skipCheck?: boolean;
    /** Git root directory (default: auto-detect) */
    gitRoot?: string;
    /** Worktree path for per-worktree configuration (used with worktreeOnly) */
    worktreePath?: string;
}
export interface SetupMergirafResult {
    mergirafFound: boolean;
    mergirafVersion: string;
    configuredFileTypes: string[];
    gitattributesWritten: boolean;
    mergeDriverConfigured: boolean;
    worktreeMode: boolean;
    repoConfigUpdated: boolean;
    errors: string[];
    /** Process exit code: 0 = success, 1 = error, 2 = mergiraf not found */
    exitCode: number;
}
export declare function getGitRoot(): string;
/**
 * Detect mergiraf binary and return version info.
 * Uses `which` to find the binary and `mergiraf --version` for the version string.
 */
export declare function detectMergiraf(): {
    found: boolean;
    version: string;
};
/**
 * Configure .gitattributes with mergiraf merge driver entries.
 * Idempotent — skips entries that already exist.
 */
export declare function configureGitattributes(gitRoot: string, config: SetupMergirafConfig): {
    written: boolean;
    fileTypes: string[];
};
/**
 * Configure git merge driver for mergiraf via `git config`.
 * In worktree-only mode, uses `--worktree` flag for worktree-local config.
 */
export declare function configureMergeDriver(targetPath: string, config: SetupMergirafConfig): boolean;
/**
 * Update .agentfactory/config.yaml with mergeDriver: mergiraf.
 */
export declare function updateRepoConfig(gitRoot: string, config: SetupMergirafConfig): boolean;
export declare function setupMergiraf(config?: SetupMergirafConfig): SetupMergirafResult;
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