import { LngLatLike, Vector2Like } from '../../types/GlobalTypes';
import { Triangle } from 'three/src/math/Triangle';
export declare class CoreMath {
    static Easing: {
        linear: (t: number) => number;
        ease_i: (t: number, power: number) => number;
        ease_o: (t: number, power: number) => number;
        ease_io: (t: number, power: number) => number;
        ease_i2: (t: number) => number;
        ease_o2: (t: number) => number;
        ease_io2: (t: number) => number;
        ease_i3: (t: number) => number;
        ease_o3: (t: number) => number;
        ease_io3: (t: number) => number;
        ease_i4: (t: number) => number;
        ease_o4: (t: number) => number;
        ease_io4: (t: number) => number;
        ease_i_sin: (t: number) => number;
        ease_o_sin: (t: number) => number;
        ease_io_sin: (t: number) => number;
        ease_i_elastic: (t: number) => number;
        ease_o_elastic: (t: number) => number;
        ease_io_elastic: (t: number) => number;
    };
    static clamp(val: number, min: number, max: number): number;
    static fit01(val: number, dest_min: number, dest_max: number): number;
    static fit(val: number, src_min: number, src_max: number, dest_min: number, dest_max: number): number;
    static blend(num0: number, num1: number, blend: number): number;
    static degrees_to_radians(degrees: number): number;
    static radians_to_degrees(radians: number): number;
    static deg2rad(deg: number): number;
    static rad2deg(rad: number): number;
    static fract: (number: number) => number;
    static rand(number: number): number;
    static round(number: number, step_size: number): number;
    static highest_even(number: number): number;
    private static _vec;
    static rand_float(x: number, y?: number): number;
    static rand_vec2(uv: Vector2Like): number;
    static geodesic_distance(lnglat1: LngLatLike, lnglat2: LngLatLike): number;
    private static _triangle_mid;
    private static _triangle_mid_to_corner;
    static expand_triangle(triangle: Triangle, margin: number): void;
    static nearestPower2(num: number): number;
}