import { IDragOpts, IDrawingEvents, IProtected } from "./core/types";
import { NrrdState } from "./coreTools/NrrdState";
import { GuiState } from "./coreTools/GuiState";
import type { EventRouter } from "./eventRouter";
export declare class DragOperator {
    container: HTMLElement;
    private dragPrameters;
    private drawingPrameters;
    private sensitiveArray;
    private showDragNumberDiv;
    private nrrd_states;
    private gui_states;
    private protectedData;
    private dragSliceTool;
    private setSyncsliceNum;
    private setIsDrawFalse;
    private flipDisplayImageByAxis;
    private setEmptyCanvasSize;
    private getOrCreateSliceBuffer;
    private renderSliceToCanvas;
    private compositeAllLayers;
    private refreshSphereOverlayCb;
    private eventRouter;
    constructor(container: HTMLElement, nrrd_sates: NrrdState, gui_states: GuiState, protectedData: IProtected, drawingPrameters: IDrawingEvents, setSyncsliceNum: () => void, setIsDrawFalse: (target: number) => void, flipDisplayImageByAxis: () => void, setEmptyCanvasSize: (axis?: "x" | "y" | "z") => void, getOrCreateSliceBuffer: (axis: "x" | "y" | "z") => ImageData | null, renderSliceToCanvas: (layer: string, axis: "x" | "y" | "z", sliceIndex: number, buffer: ImageData, targetCtx: CanvasRenderingContext2D, scaledWidth: number, scaledHeight: number) => void, compositeAllLayers: () => void);
    private init;
    setShowDragNumberDiv(sliceIndexContainer: HTMLDivElement): void;
    /**
     * Set the sphere overlay refresh callback.
     * Called by NrrdTools after DrawToolCore is initialized.
     */
    setRefreshSphereOverlay(cb: () => void): void;
    /**
     * Set the EventRouter reference for centralized event handling.
     * Called by NrrdTools/DrawToolCore after EventRouter is initialized.
     * Subscribes to mode changes to control drag mode.
     */
    setEventRouter(eventRouter: EventRouter): void;
    drag(opts?: IDragOpts): void;
    updateIndex(move: number): void;
    updateShowNumDiv(contrastNum: number): void;
    updateCurrentContrastSlice(): any;
    configDragMode: () => void;
    removeDragMode: () => void;
    updateMainSlice(mainPreSlices: any): void;
}