export declare function readBridgeLockfile(uprojectPath: string | null): {
    port: number;
    pid: number;
    startedAt?: string;
    apiVersion?: number;
} | null;
export interface BridgeResponse {
    id: string;
    result?: unknown;
    error?: {
        code: number;
        message: string;
    };
}
/** Minimal interface for tool handlers — enables mocking in tests. */
export interface IBridge {
    readonly isConnected: boolean;
    call(method: string, params?: Record<string, unknown>, timeoutMs?: number): Promise<unknown>;
    connect(timeoutMs?: number): Promise<void>;
}
export declare class EditorBridge implements IBridge {
    host: string;
    port: number;
    private ws;
    private pending;
    private reconnectTimer;
    private connectInFlight;
    private idCounter;
    constructor(host?: string, port?: number);
    get isConnected(): boolean;
    ensureConnected(timeoutMs?: number): Promise<void>;
    /**
     * #492: project context for resolving the per-project port lockfile. Set
     * by index.ts after the user's .uproject is loaded. Leaving this null
     * keeps the default-port-only behaviour for callers that don't have a
     * project context (CLI tools, tests).
     */
    projectPathForLockfile: string | null;
    connect(timeoutMs?: number): Promise<void>;
    startReconnecting(intervalMs?: number): void;
    stopReconnecting(): void;
    call(method: string, params?: Record<string, unknown>, timeoutMs?: number): Promise<unknown>;
    disconnect(): void;
    private setupListeners;
}