import vtkImageData from '@kitware/vtk.js/Common/DataModel/ImageData';
import vtkImageSlice from '@kitware/vtk.js/Rendering/Core/ImageSlice';
import { type Types } from '@cornerstonejs/core';
type ImageMapperSliceState = {
    key: string;
    xAxis: number;
    xSign: 1 | -1;
    yAxis: number;
    ySign: 1 | -1;
    sliceAxis: number;
    sliceIndex: number;
};
type SliceRenderingViewport = Types.IViewport & {
    getCamera?: () => Pick<Types.ICamera, 'focalPoint' | 'viewPlaneNormal' | 'viewUp'>;
    getResolvedView?: () => {
        toICamera?: () => Pick<Types.ICamera, 'focalPoint' | 'viewPlaneNormal' | 'viewUp'>;
    } | undefined;
};
declare function applyPlanarOverlayDepthOffset(actor: vtkImageSlice, viewPlaneNormal: Types.Point3, overlayOrder: number): void;
declare function getSliceRenderingCamera(viewport: SliceRenderingViewport): Pick<Types.ICamera, 'focalPoint' | 'viewPlaneNormal' | 'viewUp'> | undefined;
declare function getSliceState(viewport: SliceRenderingViewport, volume: Types.IImageVolume): ImageMapperSliceState | undefined;
declare function createSliceImageData(volume: Types.IImageVolume, viewport: SliceRenderingViewport): {
    imageData: vtkImageData;
    state: ImageMapperSliceState;
} | undefined;
export { applyPlanarOverlayDepthOffset, createSliceImageData, getSliceRenderingCamera, getSliceState, };
export type { ImageMapperSliceState, SliceRenderingViewport };