import { ImmutableNotebook } from "@nteract/commutable";
import { Channels } from "@nteract/messaging";
import { StateObservable } from "redux-observable";
import { Observable } from "rxjs";
import * as actions from "@nteract/actions";
import { AppState, ContentRef, KernelRef } from "@nteract/types";
/**
 * Sets the execution state after a kernel has been launched.
 *
 * @oaram  {ActionObservable}  action$ ActionObservable for LAUNCH_KERNEL_SUCCESSFUL action
 */
export declare const watchExecutionStateEpic: (action$: Observable<actions.NewKernelAction | actions.KillKernelSuccessful>) => Observable<{
    type: "EXECUTE_FAILED";
    payload: import("@nteract/actions/lib/utils").MaybeHasContent & {
        id?: string | undefined;
    } & {
        error: Error;
        code?: string | undefined;
    };
    error: true;
} | {
    type: "SET_EXECUTION_STATE";
    payload: import("@nteract/actions/lib/utils").HasKernel & {
        kernelStatus: string;
    };
}>;
/**
 * Send a kernel_info_request to the kernel.
 *
 * @param  {Object}  channels  A object containing the kernel channels
 * @returns  {Observable}  The reply from the server
 */
export declare function acquireKernelInfo(channels: Channels, kernelRef: KernelRef, contentRef: ContentRef, state: AppState, kernelSpecName?: string | null): any;
/**
 * Gets information about newly launched kernel.
 *
 * @param  {ActionObservable}  The action type
 */
export declare const acquireKernelInfoEpic: (action$: Observable<actions.NewKernelAction>, state$: StateObservable<AppState>) => Observable<unknown>;
export declare const extractNewKernel: (filepath: string | null, notebook: ImmutableNotebook) => {
    cwd: any;
    kernelSpecName: any;
};
/**
 * NOTE: This function is _exactly_ the same as the desktop loading.js version
 *       with one strong exception -- extractNewKernel
 *       Can they be combined without incurring a penalty on the web app?
 *       The native functions used are `path.dirname`, `path.resolve`, and `process.cwd()`
 *       We could always inject those dependencies separately...
 */
export declare const launchKernelWhenNotebookSetEpic: (action$: Observable<actions.FetchContentFulfilled>, state$: any) => Observable<{
    type: "LAUNCH_KERNEL_BY_NAME";
    payload: import("@nteract/actions/lib/utils").HasContent & import("@nteract/actions/lib/utils").HasKernel & {
        kernelSpecName?: string | null | undefined;
        cwd: string;
        selectNextKernel: boolean;
    };
}>;
/**
 * Restarts a Jupyter kernel in the local scenario, where a restart requires
 * killing the existing kernel process and starting an ew one.
 */
export declare const restartKernelEpic: (action$: Observable<actions.RestartKernel | actions.NewKernelAction>, state$: any) => Observable<import("@nteract/myths").MythicAction<"notifications", "sendNotification", import("@nteract/mythic-notifications").NotificationMessage> | {
    type: "KILL_KERNEL";
    payload: import("@nteract/actions/lib/utils").MaybeHasContent & import("@nteract/actions/lib/utils").MaybeHasKernel & {
        restarting: boolean;
        dispose?: boolean | undefined;
    };
} | {
    type: "LAUNCH_KERNEL_BY_NAME";
    payload: import("@nteract/actions/lib/utils").HasContent & import("@nteract/actions/lib/utils").HasKernel & {
        kernelSpecName?: string | null | undefined;
        cwd: string;
        selectNextKernel: boolean;
    };
} | {
    type: "RESTART_KERNEL_SUCCESSFUL";
    payload: import("@nteract/actions/lib/utils").HasContent & import("@nteract/actions/lib/utils").HasKernel;
} | {
    type: "EXECUTE_ALL_CELLS";
    payload: import("@nteract/actions/lib/utils").HasContent;
} | {
    type: "RESTART_KERNEL_FAILED";
    payload: import("@nteract/actions/lib/utils").HasContent & import("@nteract/actions/lib/utils").HasKernel & {
        error: Error;
        code?: string | undefined;
    };
    error: true;
}>;