import { ChildrenLike, VirtualDOM } from '@youwol/rx-vdom';
import { CodeSnippetView } from '../md-widgets';
import { BehaviorSubject, Observable } from 'rxjs';
import { CellTrait, ExecArgs, Scope, State } from './state';
import { CellCommonAttributes } from './notebook-page';
/**
 * All attributes available for a javascript cell: the common ones + 'reactive'.
 */
export type JsCellAttributes = CellCommonAttributes & {
    /**
     * If the cell is reactive, Observables & Promises referenced are automatically resolved.
     * It uses a 'combineLatest' policy.
     */
    reactive: boolean;
};
/**
 *
 * Represents the execution side of a Javascript cell within a {@link NotebookPage}.
 *
 * This implementation does not provide the views (editor, outputs), it is used as it is when loading separated notebook
 * pages to retrieve exported symbols.
 * However, this implementation is typically inherited from {@link JsCellView} to provide the regular views of
 * a javascript cell.
 */
export declare class JsCellExecutor implements CellTrait {
    readonly cellId: string;
    /**
     * Initial source code.
     */
    readonly content: string;
    /**
     * Emit when the cell is invalidated.
     */
    readonly invalidated$: Observable<unknown>;
    /**
     * State manager, owned by the parent {@link NotebookPage}.
     */
    readonly state: State;
    readonly cellAttributes: JsCellAttributes;
    /**
     * Observable over the source content of the cell.
     */
    readonly content$: BehaviorSubject<string>;
    constructor(params: {
        cellId: string;
        content$: BehaviorSubject<string>;
        state: State;
        cellAttributes: JsCellAttributes;
    });
    /**
     * Execute the cell. See {@link execute}.
     *
     * @param args See {@link ExecArgs}.
     */
    execute(args: ExecArgs): Promise<Scope>;
}
/**
 *
 * Represents a Javascript cell within a {@link NotebookPage}.
 *
 * They are typically included from a DOM definition with tag name `js-cell` in MarkDown content,
 * see {@link JsCellView.FromDom}.
 */
export declare class JsCellView extends JsCellExecutor implements VirtualDOM<'div'> {
    readonly tag = "div";
    /**
     * Classes associated with the view.
     */
    readonly class = "mknb-JsCellView";
    readonly children: ChildrenLike;
    /**
     * The encapsulated code editor view.
     */
    readonly editorView: CodeSnippetView;
    /**
     * Defines the methods to retrieve constructor's arguments from the DOM element `js-cell` within
     * MarkDown content.
     *
     * <note level='warning'>
     * Be mindful of the conversion from `camelCase` to `kebab-case`.
     * </note>
     */
    static readonly FromDomAttributes: {
        cellId: (e: HTMLElement) => string;
        content: (e: HTMLElement) => string;
        readOnly: (e: HTMLElement) => boolean;
        lineNumber: (e: HTMLElement) => boolean;
        reactive: (e: HTMLElement) => boolean;
    };
    /**
     * Initialize an instance of {@link JsCellView} from a DOM element `js-cell` in MarkDown content
     *  (the parameter `state` is automatically provided).
     *
     * <note level="hint" label="Constructor's attributes mapping">
     *  The static property {@link JsCellView.FromDomAttributes | FromDomAttributes}
     *  defines the mapping between the DOM element and the constructor's attributes.
     * </note>
     *
     * @param _p
     * @param _p.elem The DOM element.
     * @param _p.state The page state.
     */
    static FromDom({ elem, state }: {
        elem: HTMLElement;
        state: State;
    }): JsCellView;
    /**
     * Initialize a new instance.
     *
     * @param params
     * @param params.cellId The cell's ID.
     * @param params.content The cell's content.
     * @param params.state The page's state.
     * @param params.cellAttributes Cell's attributes.
     */
    constructor(params: {
        cellId: string;
        content: string;
        state: State;
        cellAttributes: JsCellAttributes;
    });
}