import { EventEmitter } from "node:events";
export interface LspClientOptions {
    command: string;
    args: string[];
    cwd: string;
    env?: NodeJS.ProcessEnv;
}
export declare class LspClient extends EventEmitter {
    private readonly options;
    private proc;
    private nextId;
    private pending;
    private buffer;
    private disposed;
    constructor(options: LspClientOptions);
    start(): void;
    isRunning(): boolean;
    request<T = unknown>(method: string, params?: unknown, timeoutMs?: number): Promise<T>;
    notify(method: string, params?: unknown): void;
    dispose(): Promise<void>;
    private write;
    private writeRaw;
    private onData;
    private drain;
    private handleMessage;
    private defaultServerRequestResult;
    private rejectAll;
}
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