/**
 * Daemon Client
 *
 * Used by the CLI to communicate with the daemon process.
 * Handles spawning, discovery, and HTTP requests to the daemon.
 */
import type { DaemonAction, DaemonResponse, DaemonState } from './types.js';
export declare class DaemonRequestError extends Error {
    readonly action: string;
    readonly status: number;
    readonly response: DaemonResponse;
    readonly data?: Record<string, unknown>;
    constructor(action: string, status: number, response: DaemonResponse);
}
/**
 * Ensure a daemon is running for the given project root and URL.
 * If no daemon is alive, spawns one and waits for it to be ready.
 * Returns the daemon state (port, token) needed for requests.
 */
export declare function ensureDaemon(projectRoot: string, url: string, options?: {
    headed?: boolean;
}): Promise<DaemonState>;
/**
 * Send a request to the daemon HTTP server.
 */
export declare function daemonRequest(state: DaemonState, action: DaemonAction, params?: Record<string, unknown>): Promise<DaemonResponse>;
/**
 * Stop the daemon by sending a shutdown command.
 */
export declare function stopDaemon(projectRoot: string, appPort?: number): Promise<boolean>;
/**
 * Get daemon status information.
 */
export declare function getDaemonStatus(projectRoot: string, appPort?: number): Promise<{
    running: boolean;
    pid?: number;
    port?: number;
    url?: string;
    uptime?: number;
}>;
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