import type { Attachment, BridgeOptions } from "@mulmobridge/protocol";
import type { BridgeClient, PushEvent } from "./client.js";
/** Shape of `chat-service`'s `RelayResult`, restated so this package does not
 *  import the server package. Kept structural on purpose: the host passes its
 *  own function and TypeScript checks the two agree. */
export type InProcessRelayResult = {
    kind: "ok";
    reply: string;
} | {
    kind: "error";
    status: number;
    message: string;
};
export type InProcessRelayFn = (params: {
    transportId: string;
    externalChatId: string;
    text: string;
    attachments?: Attachment[] | undefined;
    bridgeOptions?: Readonly<Record<string, string | number | boolean>> | undefined;
    onChunk?: ((text: string) => void) | undefined;
}) => Promise<InProcessRelayResult>;
/** Registers this bridge to receive server → bridge pushes. Returns the
 *  unregister function, which `close()` calls. */
export type RegisterInProcessPush = (transportId: string, handler: (event: PushEvent) => void) => () => void;
export interface InProcessBridgeClientOptions {
    transportId: string;
    relay: InProcessRelayFn;
    registerPush: RegisterInProcessPush;
    /** Forwarded to the host's `startChat` exactly as the handshake bag is on the
     *  socket path. Defaults to `{}` — an in-process bridge is configured by the
     *  host, so there is no env to scrape on its behalf. */
    options?: BridgeOptions;
}
export declare function createInProcessBridgeClient(opts: InProcessBridgeClientOptions): BridgeClient;