import { IRankedMenu, RankedMenu } from '@jupyterlab/ui-components';
import { SemanticCommand } from '@jupyterlab/apputils';
/**
 * An interface for a Help menu.
 */
export interface IHelpMenu extends IRankedMenu {
    /**
     * A semantic command to get the kernel for the help menu.
     * This is used to populate additional help
     * links provided by the kernel of a widget.
     *
     * #### Note
     * The command must return a Kernel.IKernelConnection object
     */
    readonly getKernel: SemanticCommand;
}
/**
 * An extensible Help menu for the application.
 */
export declare class HelpMenu extends RankedMenu implements IHelpMenu {
    /**
     * Construct the help menu.
     */
    constructor(options: IRankedMenu.IOptions);
    /**
     * A semantic command to get the kernel for the help menu.
     * This is used to populate additional help
     * links provided by the kernel of a widget.
     *
     * #### Note
     * The command must return a Kernel.IKernelConnection object
     */
    readonly getKernel: SemanticCommand;
}