import RPC from "bare-rpc";
export declare function getWorkerLifeSignal(): AbortSignal | null;
export declare function getRPC(): Promise<RPC>;
export declare function createDuplexSession(payload: string, commandId: number): Promise<{
    requestStream: RPC.OutgoingStream;
    responseStream: RPC.IncomingStream;
}>;
export declare function close(): Promise<void>;
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