export function transport(): (options: {
    agent?: import("http").Agent | import("https").Agent | undefined;
}) => (opts: import("@improbable-eng/grpc-web").grpc.TransportOptions) => {
    sendMessage: (msgBytes: Uint8Array) => void;
    finishSend: () => void;
    start: (metadata: import("browser-headers").BrowserHeaders) => void;
    cancel: () => void;
};
//# sourceMappingURL=transport.d.ts.map