import * as React from 'react';
import { IBoundingBox, IPoint, IScene, ISceneMode, IShapesDeclarations } from '../declarations';
import { IEditorEvent } from '../editor-state/editor-events';
export interface IHelperArrowRendererPropTypes {
    mode: ISceneMode;
    scene: IScene;
    shapesDeclarations: IShapesDeclarations;
    viewport: IPoint;
    viewportWidth: number;
    viewportHeight: number;
    onEditorEvent(ev: IEditorEvent): void;
}
export default class HelperArrowRenderer extends React.Component<IHelperArrowRendererPropTypes, any> {
    getBBs(): {
        viewportBB: IBoundingBox;
        shapesBBs: IBoundingBox[];
    };
    showArrow(): boolean;
    getArrowParams(): {
        x: number;
        y: number;
        angle: number;
    };
    navigateToArrow: () => void;
    render(): JSX.Element | null;
}