import type { IWatchmanClient, IWatchmanConfigManager } from '../interfaces.js';
import type { Logger } from '../logger.js';
import type { PoltergeistConfig } from '../types.js';
import type { TargetState } from './target-state.js';
interface WatchServiceDeps {
    projectRoot: string;
    config: PoltergeistConfig;
    logger: Logger;
    watchman?: IWatchmanClient;
    watchmanConfigManager: IWatchmanConfigManager;
    onFilesChanged: (files: Array<{
        name: string;
        exists: boolean;
        type?: string;
    }>, targetNames: string[]) => void;
}
/**
 * Encapsulates Watchman subscriptions and config-file watching.
 */
export declare class WatchService {
    private readonly projectRoot;
    private readonly config;
    private readonly logger;
    private watchman?;
    private readonly watchmanConfigManager;
    private readonly onFilesChanged;
    private readonly subscriptions;
    constructor({ projectRoot, config, logger, watchman, watchmanConfigManager, onFilesChanged, }: WatchServiceDeps);
    attachHandlersTo(_watchman?: IWatchmanClient): void;
    subscribeTargets(targetStates: Map<string, TargetState>): Promise<void>;
    subscribeConfig(configPath: string | undefined, onChange: (files: Array<{
        name: string;
        exists: boolean;
    }>) => void): Promise<void>;
    stop(): Promise<void>;
    refreshTargets(targetStates: Map<string, TargetState>): Promise<void>;
    unsubscribeTargets(targetNames: string[]): Promise<void>;
    private unsubscribeAll;
}
export {};
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