import { Euler, Vector2, Vector3 } from "three";
import Volume from "./Volume.js";
import type { Bounds } from "./types.js";
/**
 * Marks groups of related settings that may have changed.
 */
export declare enum SettingsFlags {
    /** parameters: translation, rotation, scale, flipAxes */
    TRANSFORM = 1,
    /** parameters: gammaMin, gammaLevel, gammaMax, brightness*/
    CAMERA = 2,
    /** parameters: showBoundingBox, boundingBoxColor */
    BOUNDING_BOX = 4,
    /** parameters: bounds, zSlice */
    ROI = 8,
    /** parameters: maskAlpha */
    MASK_ALPHA = 16,
    /** parameters: density, diffuse, specular, emissive, glossiness */
    MATERIAL = 32,
    /** parameters: resolution, useInterpolation, pixelSamplingRate, primaryRayStepSize, secondaryRayStepSize*/
    SAMPLING = 64,
    /** parameters: isOrtho, orthoScale, viewAxis, visible, maxProjectMode */
    VIEW = 128,
    /** parameters: maskChannelIndex */
    MASK_DATA = 256,
    ALL = 1023
}
export declare enum Axis {
    X = "x",
    Y = "y",
    Z = "z",
    /** Alias for NONE, indicates 3D mode */
    XYZ = "",
    /** No current axis, indicates 3D mode */
    NONE = ""
}
/**
 * Holds shared settings for configuring `VolumeRenderImpl` instances.
 */
export declare class VolumeRenderSettings {
    translation: Vector3;
    rotation: Euler;
    scale: Vector3;
    flipAxes: Vector3;
    isOrtho: boolean;
    orthoScale: number;
    viewAxis: Axis;
    visible: boolean;
    maxProjectMode: boolean;
    gammaMin: number;
    gammaLevel: number;
    gammaMax: number;
    brightness: number;
    maskChannelIndex: number;
    maskAlpha: number;
    density: number;
    diffuse: [number, number, number][];
    specular: [number, number, number][];
    emissive: [number, number, number][];
    glossiness: number[];
    bounds: Bounds;
    zSlice: number;
    showBoundingBox: boolean;
    boundingBoxColor: [number, number, number];
    resolution: Vector2;
    useInterpolation: boolean;
    pixelSamplingRate: number;
    primaryRayStepSize: number;
    secondaryRayStepSize: number;
    /**
     * Creates a new VolumeRenderSettings object with default fields.
     * @param volume Optional volume data parameter used to initialize size-dependent settings.
     */
    constructor(volume?: Volume);
    resizeWithVolume(volume: Volume): void;
    /**
     * Recursively compares two arrays.
     * Non-array elements are compared using strict equality comparison.
     */
    private static compareArray;
    /**
     * Compares two VolumeRenderSettings objects.
     * @returns true if both objects have identical settings.
     */
    isEqual(o2: VolumeRenderSettings): boolean;
    /**
     * Recursively creates and returns a deep copy of an array.
     * Note: assumes values in the array are either primitives (numbers) or arrays of primitives.
     */
    private static deepCopyArray;
    /**
     * Creates a deep copy of this VolumeRenderSettings object.
     * @param src The object to create a clone of.
     * @returns a new VolumeRenderSettings object with identical fields that do not
     * share references with the original settings object.
     */
    clone(): VolumeRenderSettings;
}