export type BunFrameHandler = (text: string) => void;
export declare class BunInspectorClient {
    readonly url: string;
    private ws;
    private handlers;
    private openPromise;
    constructor(url: string);
    ready(): Promise<void>;
    /** Subscribe to inbound JSC frames (raw JSON text). Returns unsub. */
    onFrame(h: BunFrameHandler): () => void;
    /** Target calls this to send an outbound JSC frame. The iOS-shaped
     *  (appId, pageId, senderKey) tuple is meaningless on Bun — we ignore
     *  it and just write the bytes to the WebSocket. */
    forwardSocketData(_appId: string, _pageId: number, _senderKey: string, bytes: Uint8Array): void;
    /** Target calls this on DevTools-side close. Bun has no per-session
     *  teardown selector, so closing the WS is the right behavior — but
     *  bun-server owns the WS lifecycle, not Target. No-op here. */
    forwardDidClose(_appId: string, _pageId: number, _senderKey: string): void;
    close(): void;
}