/**
 * Git Worktree Management
 *
 * Provides lifecycle management for git worktrees, enabling
 * parallel task execution in isolated working directories.
 */
export type WorktreeInfo = {
    path: string;
    branch: string;
    head: string;
    bare: boolean;
};
/**
 * Create a new git worktree with its own branch.
 * Returns the absolute path to the worktree directory.
 */
export declare function createWorktree(repoDir: string, branchName: string, baseBranch?: string): Promise<string>;
/**
 * Remove a worktree and optionally delete its branch.
 */
export declare function removeWorktree(repoDir: string, worktreePath: string, deleteBranch?: boolean): Promise<void>;
/**
 * List all worktrees for a repository.
 */
export declare function listWorktrees(repoDir: string): Promise<WorktreeInfo[]>;
/**
 * List only ralph-managed worktrees (those under .ralph/worktrees/).
 */
export declare function listRalphWorktrees(repoDir: string): Promise<WorktreeInfo[]>;
/**
 * Remove all ralph-created worktrees (crash recovery / cleanup).
 */
export declare function cleanupAllWorktrees(repoDir: string): Promise<number>;
/**
 * Merge changes from a worktree branch back into the target branch.
 */
export declare function mergeWorktreeBranch(repoDir: string, worktreeBranch: string, targetBranch: string): Promise<boolean>;
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