import { IOutput } from '@jupyterlab/nbformat';
import { OutputAreaModel } from '@jupyterlab/outputarea';
import { IRenderMimeRegistry } from '@jupyterlab/rendermime';
import { type VoilaWidgetManager } from '@voila-dashboards/widgets-manager8/lib/manager';
/**
 * Interface representing the structure of an execution result message.
 */
export interface IExecutionResultMessage {
    action: 'execution_result';
    payload: {
        output_cell: {
            outputs: IOutput[];
        };
        cell_index: number;
        total_cell: number;
    };
}
/**
 * Interface representing the structure of an execution error message.
 */
export interface IExecutionErrorMessage {
    action: 'execution_error';
    payload: {
        error: string;
    };
}
/**
 * Interface representing a received widget model
 * containing output and execution models.
 */
export interface IReceivedWidgetModel {
    [modelId: string]: {
        outputModel: OutputAreaModel;
        executionModel: IOutput;
    };
}
export type IExecutionMessage = IExecutionResultMessage | IExecutionErrorMessage;
export declare function getExecutionURL(kernelId?: string): string;
/**
 * Handles the execution result by rendering the output area and managing widget models.
 *
 * @param payload - The payload from the execution result message,
 *  including the output cell and cell index.
 * @param rendermime - A render mime registry to render the output.
 * @param widgetManager - The Voila widget manager to manage Jupyter widgets.
 * @returns An object containing a model ID and its corresponding output and
 * execution models if the model is not ready to be rendered, undefined otherwise.
 */
export declare function handleExecutionResult({ payload, rendermime, widgetManager }: {
    payload: IExecutionResultMessage['payload'];
    rendermime: IRenderMimeRegistry;
    widgetManager: VoilaWidgetManager;
}): IReceivedWidgetModel | undefined;
/**
 * Creates an output area model and attaches the output area to a specified parent element.
 *
 * @param rendermime - The render mime registry.
 * @param parent - The parent HTML element where the output area will be appended.
 * @returns The created OutputAreaModel.
 */
export declare function createOutputArea({ rendermime, parent }: {
    rendermime: IRenderMimeRegistry;
    parent: Element;
}): OutputAreaModel;
export declare function createSkeleton(): void;