/**
 * OpenCode Spawner - Spawns and manages tasks using the OpenCode headless server HTTP API.
 *
 * OpenCode Spawner - Spawns and manages tasks using the OpenCode headless server HTTP API.
 *
 * Uses the OpenCode HTTP API to:
 *  - Create sessions
 *  - Send messages/prompts
 *  - Poll for completion
 *  - Get results
 */
import { type SpawnOptions, type TaskState } from '../types.js';
import { type OpenCodeClient } from './opencode-client.js';
/**
 * Initialize the spawner with the OpenCode client instance.
 */
export declare function initSpawner(client: OpenCodeClient): void;
/**
 * Spawn a new task using the OpenCode headless server.
 */
export declare function spawnOpenCodeTask(options: SpawnOptions): Promise<string>;
/**
 * Execute a waiting task (called when dependencies are satisfied).
 */
export declare function executeWaitingTask(task: TaskState): Promise<void>;
/**
 * Cancel a running task. Aborts polling and tells OpenCode to stop the session.
 */
export declare function cancelOpenCodeTask(taskId: string): Promise<boolean>;
export { cancelOpenCodeTask as cancelTask };
/**
 * Send a follow-up message to an existing session.
 */
export declare function sendMessageToSession(taskId: string, message: string): Promise<{
    success: boolean;
    error?: string;
    response?: string;
}>;
/**
 * Check if the OpenCode server is healthy.
 */
export declare function checkOpenCodeAvailable(): Promise<boolean>;
/**
 * Get a diagnostic summary for error messages.
 */
export declare function diagnoseConnection(): Promise<string>;
/**
 * Shutdown the spawner - cancel all active pollers.
 */
export declare function shutdownSpawner(): void;
/**
 * Get spawner statistics.
 */
export declare function getSpawnerStats(): {
    activeTasks: number;
    activePollers: number;
    queuedTasks: number;
    maxConcurrent: number;
    clientInitialized: boolean;
    baseUrl: string;
};
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