import type Database from 'better-sqlite3';
import type { ValidationResult, SpawnResult } from '../models/validation';
/**
 * Validate the entire board or a specific sprint's board integrity.
 * This is a read-only operation — no locks are acquired.
 *
 * @param db - Database connection
 * @param sprintId - Optional sprint ID (resolves default if omitted)
 * @returns Validation result with all issues found
 */
export declare function validateBoard(db: Database.Database, sprintId?: string): ValidationResult;
/**
 * Validate whether a spawn operation is legal.
 * Read-only — no locks needed.
 *
 * @param db - Database connection
 * @param sprintId - Sprint ID
 * @param taskId - Task ID to spawn from
 * @param stage - Spawn stage (analyst, architect, coder, tester)
 * @param role - Role that will own the spawned task
 * @returns Spawn legality result
 */
export declare function validateSpawn(db: Database.Database, sprintId: string, taskId: string, stage: string, role: string): SpawnResult;
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