import { BufferGeometry, Camera, Color, Spherical, Vector3, WebGLRenderer, WebGLRenderTarget } from 'three';
import { AxiosError, AxiosInstance, AxiosRequestConfig, AxiosResponse } from 'axios';
export interface AxiosRequestConfigAttempts extends AxiosRequestConfig {
    loggerPrefix: string;
    retry: number;
    retryDelay: number;
    retryCount: number;
}
export declare function processRequestWithCheck(requestCallback: Function, conditionCallback: Function, delay?: number, delayIncrease?: number, delayMax?: number): Promise<AxiosResponse>;
export declare function processRetryForAxios(tag: string, ax: AxiosInstance, error: AxiosError): Promise<AxiosError | AxiosResponse>;
export declare function readMultipleRenderTargetsPixels(renderer: WebGLRenderer, renderTarget: WebGLRenderTarget, x: number, y: number, width: number, height: number, buffer: Uint8Array, index?: number): void;
export declare function setStyleAttribute(element: HTMLElement, attrs: {
    [key: string]: Object;
}): void;
export declare function areUint32ArraysEquivalent<TypedArray>(a: Uint32Array, b: Uint32Array): boolean;
export declare function areArraysEquivalent<T extends string | number | symbol>(a: Array<T>, b: Array<T>): boolean;
export declare function radiansToDegrees(radians: number): number;
export declare function degreesToRadians(degrees: number): number;
export declare function getCameraSpherical(camera: Camera, target?: Vector3 | undefined): Spherical;
export declare function packColor(color: number[] | Uint8Array, offset?: number): number;
export declare function clamp(num: number, min: number, max: number): number;
export declare function remapRange(num: number, inMin: number, inMax: number, outMin: number, outMax: number): number;
export declare function remapColor(num: number, inMin: number, inMax: number, outMin: Color, outMax: Color): Color;
/**
 * Mode for {@link computeBoundsTree} function.
 */
export declare enum BoundsTreeComputeMode {
    Mesh = "mesh",
    Line = "line",
    Point = "point"
}
/**
 * Bounds tree generator for geometry. Bonds tree used in various viewer features like picker and cap outlines.
 * @param geometry
 * @param mode
 * @param force
 */
export declare function computeBoundsTree(geometry: BufferGeometry, mode?: BoundsTreeComputeMode, force?: boolean): void;