/**
 * Verification loop engine and checkpoint system
 * - Verification loop (/verify): Runs tests, analyzes failures, fixes code, repeats
 * - Checkpoint system (/checkpoint): Saves/restores git state
 */
export interface Checkpoint {
    id: string;
    sessionId: string;
    label?: string;
    headSha: string;
    isDirty: boolean;
    dirtyFiles: string[];
    timestamp: string;
    cwd: string;
}
export interface VerificationConfig {
    maxIterations: number;
    timeoutMs: number;
    verbose: boolean;
}
declare function ensureCheckpointsDir(): void;
declare function checkpointPath(sessionId: string, checkpointId: string): string;
declare function generateCheckpointId(): string;
declare function getGitHeadSha(cwd: string): string;
declare function getGitDirtyFiles(cwd: string): string[];
declare function isGitDirty(cwd: string): boolean;
/**
 * Save current git state as a checkpoint
 * @param sessionId - Unique session identifier
 * @param cwd - Working directory to checkpoint
 * @param label - Optional label for the checkpoint
 * @returns Checkpoint metadata
 */
export declare function saveCheckpoint(sessionId: string, cwd: string, label?: string): Checkpoint;
/**
 * List all checkpoints for a session
 * @param sessionId - Session identifier
 * @returns Array of checkpoint metadata
 */
export declare function listCheckpoints(sessionId: string): Checkpoint[];
/**
 * Restore a checkpoint (returns instructions for restoration)
 * @param sessionId - Session identifier
 * @param checkpointId - Checkpoint identifier
 * @returns Instructions string for restoring the checkpoint
 */
export declare function restoreCheckpoint(sessionId: string, checkpointId: string): string;
/**
 * Auto-detect the test command for the current project
 * @param cwd - Working directory
 * @returns Test command string
 */
export declare function autoDetectTestCommand(cwd: string): string;
/**
 * Build a detailed verification loop prompt
 * @param cwd - Working directory
 * @param command - Optional test command (auto-detected if not provided)
 * @returns Detailed prompt string
 */
export declare function buildVerifyPrompt(cwd: string, command?: string): string;
/**
 * Run a verification loop (for CLI reference/testing)
 * @param cwd - Working directory
 * @param command - Test command
 * @param config - Verification configuration
 * @returns Verification result
 */
export declare function runVerificationLoop(cwd: string, command: string, config?: VerificationConfig): Promise<{
    success: boolean;
    iterations: number;
    errors: string[];
}>;
export { getGitHeadSha, getGitDirtyFiles, isGitDirty, generateCheckpointId, checkpointPath, ensureCheckpointsDir, };