import type { IHandler, IMouseMoveEvent, IMouseUpEvent, IRelation, IRelationDrawer } from '../../abstraction';
import { DrawerType, ShapeType } from '../../abstraction';
import { DrawerBase } from './base';
export declare class RelationDrawer extends DrawerBase<IRelation> implements IRelationDrawer {
    private _currentStart?;
    private _currentEnd?;
    private _startX;
    private _startY;
    protected _mouseMoveBound: IHandler<IMouseMoveEvent>;
    protected _mouseUpBound: IHandler<IMouseUpEvent>;
    constructor(relations?: Array<IRelation>);
    get type(): DrawerType;
    get shapeType(): ShapeType;
    get hoverSources(): Array<DrawerType>;
    get useHoverSources(): boolean;
    get selectSources(): Array<DrawerType> | undefined;
    get useSelectSources(): boolean;
    isBase(): boolean;
    isDragable(): boolean;
    isClickable(): boolean;
    isSelectable(): boolean;
    lock(): void;
    release(): void;
    clear(): void;
    remove(shapes: IRelation | IRelation[]): void;
    protected handleMouseMove(event: IMouseMoveEvent): void;
    protected handleMouseUp(event: IMouseUpEvent): void;
    private startRelation;
    private cancelRelation;
    private completeRelation;
    private createShape;
    private hasRelation;
    private reset;
}