import { EventEmitter } from 'events';
import type { Logger } from './logger.js';
export interface FileChange {
    path: string;
    exists: boolean;
    new?: boolean;
    size?: number;
    mode?: number;
}
export interface WatchSubscription {
    expression: Array<string | Array<string>>;
    fields: string[];
    defer?: string[];
    drop?: string[];
    settle?: number;
}
export declare class WatchmanClient extends EventEmitter {
    private client;
    private watchRoot?;
    private logger;
    private subscriptions;
    private clock?;
    constructor(logger: Logger);
    connect(): Promise<void>;
    watchProject(projectRoot: string): Promise<void>;
    subscribe(projectRoot: string, subscriptionName: string, subscription: {
        expression: Array<string | Array<string>>;
        fields: string[];
    }, callback: (files: Array<{
        name: string;
        exists: boolean;
        type?: string;
    }>) => void, exclusionExpressions?: Array<[string, string[]]>): Promise<void>;
    unsubscribe(subscriptionName: string): Promise<void>;
    disconnect(): Promise<void>;
    isConnected(): boolean;
}
//# sourceMappingURL=watchman.d.ts.map