import type Database from 'better-sqlite3';
import type { SpawnResult } from '../models/validation';
/**
 * Check whether a spawn operation is legal.
 *
 * Requirements:
 * - Sprint must be IN EXECUTION (ERR-SPAWN-SPRINT)
 * - Task must exist in the specified sprint (ERR-TASK-NOTFOUND)
 * - Task must be To Do or In Progress (ERR-SPAWN-STATE)
 * - Role must match the required stage role (ERR-SPAWN-ROLE)
 *
 * @param db - Database connection (read-only)
 * @param sprintId - Sprint ID
 * @param taskId - Task ID to spawn from
 * @param stage - The spawn stage (e.g. "analyst", "architect", "coder", "tester")
 * @param role - The role that will own the spawned task
 * @returns Spawn legality result
 */
export declare function checkSpawnLegality(db: Database.Database, sprintId: string, taskId: string, stage: string, role: string): SpawnResult;
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