import { WhiteboardTool } from './WhiteboardTool';
import { RenderableModel } from '../model/RenderableModel';
import { ShadowEmitter } from '../utils/ShadowEmitter';
import { StraightLineModel } from '../model/renderable/StraightLineModel';
export declare class StraightLineTool extends WhiteboardTool {
    elementModel: StraightLineModel | null;
    private from;
    private to;
    protected showLiveCursor: boolean;
    constructor(enableToolEvent: () => boolean, modelGetter: () => Promise<RenderableModel | null>, shadowEmitter: ShadowEmitter, scope: paper.PaperScope);
    protected onMouseDown(event: paper.ToolEvent): void;
    protected onMouseDrag(event: paper.ToolEvent): void;
    protected onMouseUp(event: paper.ToolEvent): void;
}
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