import { LineMarkerBaseState } from "./LineMarkerBaseState";
import { MarkerBase } from "./MarkerBase";
export declare class LineMarkerBase extends MarkerBase {
    static createMarker: () => LineMarkerBase;
    protected markerLine: SVGLineElement;
    protected previousState: LineMarkerBaseState;
    private readonly MIN_LENGTH;
    private markerBgLine;
    private controlBox;
    private controlGrip1;
    private controlGrip2;
    private activeGrip;
    private x1;
    private y1;
    private x2;
    private y2;
    endManipulation(): void;
    select(): void;
    deselect(): void;
    getState(): LineMarkerBaseState;
    restoreState(state: LineMarkerBaseState): void;
    protected setup(): void;
    protected resize(dx: number, dy: number): void;
    protected adjustLine(): void;
    private getLineLength;
    private addControlBox;
    private adjustControlBox;
    private addControlGrips;
    private createGrip;
    private positionGrips;
    private positionGrip;
    private gripMouseDown;
    private gripMouseUp;
    private gripMouseMove;
}