import { Action } from "redux";
export declare const kernelRef: (state: string | undefined, action: Action) => string;
export declare const currentKernelspecsRef: (state: string | undefined, action: Action) => string;
declare const core: import("redux").Reducer<{
    currentKernelspecsRef: string;
    entities: {
        comms: any;
        contents: any;
        hosts: any;
        kernels: any;
        kernelspecs: any;
        messages: any;
        modals: any;
        sidebar: any;
        transforms: any;
        editors: any;
    };
    kernelRef: string;
}, Action<any>>;
export default core;