/*!
 * Copyright (c) Microsoft Corporation.
 * Licensed under the MIT License.
 */
import { vec3, vec4 } from "gl-matrix";
import { PickType } from "../main.js";
export declare class PickHelper {
    private static _pickId;
    static nextPickId(): number;
    static encodeNumber(number: number, type: PickType, color: vec4 | [number, number, number, number]): void;
    static decodeNumber(color: Uint8Array): number;
    static encodeVec3(vec3: vec3 | [number, number, number], type: PickType, color: vec4 | [number, number, number, number]): void;
    static decodeVec3(color: Uint8Array, axes: vec3 | [number, number, number]): void;
    static encodeType(type: PickType): number;
    static decodeType(color: Uint8Array): PickType;
    static float32ToVec4(number: number, color: vec4 | [number, number, number, number]): void;
    static uint8ArrayToNumber(color: Uint8Array): number;
}