import type { BacklogFile, BacklogSprint, BacklogTicket, LoopConfig } from './types.js';
import type { Logger } from './logger.js';
/** Load and parse backlog.json */
export declare function loadBacklog(cwd: string, config: LoopConfig): BacklogFile;
/**
 * Select the next unscored sprint and atomically lock it.
 * Uses mkdir for TOCTOU-safe atomic locking — lock is acquired in the same
 * function as selection, not separately.
 *
 * @returns The selected sprint, or null if all sprints are completed.
 */
export declare function selectNextSprint(backlog: BacklogFile, cwd: string, config: LoopConfig): BacklogSprint | null;
/** Select a specific sprint by ID */
export declare function selectSprintById(backlog: BacklogFile, sprintId: string): BacklogSprint | null;
/** Release the lock for a sprint */
export declare function releaseLock(cwd: string, config: LoopConfig, sprintId: string): void;
/**
 * Validate that tickets have at least one module file present on disk.
 * Returns the validated (usable) tickets.
 */
export declare function validateTickets(tickets: BacklogTicket[], cwd: string, log: Logger): BacklogTicket[];
/** Check if the backlog needs enrichment (version < 1) */
export declare function needsEnrichment(backlog: BacklogFile): boolean;
/** Get remaining (unscored) sprint IDs from backlog */
export declare function getRemainingSprintIds(backlog: BacklogFile, cwd: string, config: LoopConfig): string[];
/**
 * Get sprints whose dependencies are all satisfied (completed).
 * Filters to remaining (unscored) sprints, then checks depends_on.
 * Warns if depends_on references sprint IDs not in the backlog or results.
 */
export declare function getReadySprints(backlog: BacklogFile, cwd: string, config: LoopConfig): BacklogSprint[];
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