import { Enums, type Types } from '@cornerstonejs/core';
import type { Segmentation } from '../../../types/SegmentationStateTypes.js';
declare const DIRECTION_ALIGNMENT_TOLERANCE = 0.999;
export declare const LABELMAP_IMAGE_MAPPER_URL_PARAM = "labelmapImageMapper";
export type VolumeViewportLabelmapImageMapperState = {
    key: string;
    sliceIndex: number;
    supported: boolean;
};
type ViewportLabelmapImageMapperCompatibilityViewport = Types.IViewport & {
    getCamera?: () => Pick<Types.ICamera, 'viewPlaneNormal' | 'viewUp'>;
    getCurrentImageIdIndex?: () => number;
    getDisplaySetRenderMode?: (displaySetId: string) => Types.ActorRenderMode | string | undefined;
    getDisplaySetRole?: (displaySetId: string) => 'source' | 'overlay' | undefined;
    getDisplaySetPresentation?: (dataId: string) => {
        blendMode?: Enums.BlendModes;
        slabThickness?: number;
    };
    getDefaultActor?: () => (Types.ActorEntry & {
        actorMapper?: {
            actor?: {
                getMapper?: () => {
                    getBlendMode?: () => Enums.BlendModes;
                    getSlabThickness?: () => number;
                };
            };
            mapper?: {
                getBlendMode?: () => Enums.BlendModes;
                getSlabThickness?: () => number;
            };
            renderMode?: Types.ActorRenderMode;
        };
    }) | undefined;
    getSliceViewInfo?: () => {
        sliceIndex: number;
    };
    getSourceDataId?: () => string | undefined;
    getVolumeId?: () => string | undefined;
    getResolvedView?: () => {
        toICamera?: () => Pick<Types.ICamera, 'viewPlaneNormal' | 'viewUp'>;
    } | undefined;
    type?: string;
};
export declare function isSliceRenderingEnabled(options?: {
    useSliceRendering?: boolean;
}): boolean;
export declare function shouldUseSliceRendering(segmentation?: Segmentation, options?: {
    useSliceRendering?: boolean;
}): boolean;
export declare function canRenderVolumeViewportLabelmapAsImage(viewport: Types.IViewport): viewport is ViewportLabelmapImageMapperCompatibilityViewport;
export declare function getVolumeViewportLabelmapImageMapperState(viewport: Types.IViewport): VolumeViewportLabelmapImageMapperState;
export { DIRECTION_ALIGNMENT_TOLERANCE };