import { default as regl } from 'regl';
import { CoreModule } from '../core-module';
export declare class Lines extends CoreModule {
    linkIndexFbo: regl.Framebuffer2D | undefined;
    hoveredLineIndexFbo: regl.Framebuffer2D | undefined;
    private drawCurveCommand;
    private hoveredLineIndexCommand;
    private pointsBuffer;
    private colorBuffer;
    private widthBuffer;
    private arrowBuffer;
    private curveLineGeometry;
    private curveLineBuffer;
    private linkIndexBuffer;
    private quadBuffer;
    initPrograms(): void;
    draw(): void;
    updateLinkIndexFbo(): void;
    updatePointsBuffer(): void;
    updateColor(): void;
    updateWidth(): void;
    updateArrow(): void;
    updateCurveLineGeometry(): void;
    findHoveredLine(): void;
}