import { type BrowserUseConfig } from './config.js';
export interface ToolAnnotations {
    readOnlyHint?: boolean;
    destructiveHint?: boolean;
    idempotentHint?: boolean;
    openWorldHint?: boolean;
}
export interface UpstreamTool {
    name: string;
    description?: string;
    inputSchema: unknown;
    annotations?: ToolAnnotations;
}
export declare class DevToolsClient {
    private client;
    private config;
    private state;
    private connectPromise;
    private generation;
    private hasConnected;
    private explicitlyClosed;
    private lastHealthCheckAt;
    constructor(config: BrowserUseConfig);
    connect(signal?: AbortSignal): Promise<void>;
    private openConnection;
    private markDisconnected;
    private disconnectUnhealthyClient;
    ensureReady(signal?: AbortSignal): Promise<void>;
    listAllTools(signal?: AbortSignal): Promise<UpstreamTool[]>;
    callTool(name: string, args: unknown, signal?: AbortSignal): Promise<unknown>;
    close(): Promise<void>;
}
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