/**
 * This is a utility type used by polybool, in order to get an alternative representation
 * or the roblox equivalent Vector2 class, then you will want to use `intoVector2`
 *
 * @example
 * ```
 * import { intoVector2, Vec2 } from "@rbxts/polybool";
 *
 * const vec2: Vec2 = [0.5, 0.5];
 * const vector2 = intoVector2(vec2);
 * ```
 */
export type Vec2 = [x: number, y: number];
export type Vec6 = [number, number, number, number, number, number];
export declare function lerp(a: number, b: number, t: number): number;
export declare function lerpVec2(a: Vec2, b: Vec2, t: number): Vec2;
export declare function boundingBoxesIntersect(bbox1: [Vec2, Vec2], bbox2: [Vec2, Vec2]): boolean;
export declare abstract class Geometry {
    abstract snap0(v: number): number;
    abstract snap01(v: number): number;
    abstract isCollinear(p1: Vec2, p2: Vec2, p3: Vec2): boolean;
    abstract solveCubic(a: number, b: number, c: number, d: number): number[];
    abstract isEqualVec2(a: Vec2, b: Vec2): boolean;
    abstract compareVec2(a: Vec2, b: Vec2): number;
}
export declare class GeometryEpsilon extends Geometry {
    readonly epsilon: number;
    constructor(epsilon?: number);
    snap0(v: number): number;
    snap01(v: number): number;
    isCollinear(p1: Vec2, p2: Vec2, p3: Vec2): boolean;
    private solveCubicNormalized;
    solveCubic(a: number, b: number, c: number, d: number): number[];
    isEqualVec2(a: Vec2, b: Vec2): boolean;
    compareVec2(a: Vec2, b: Vec2): 0 | 1 | -1;
}
export declare function isVector2(u: unknown): u is Vector2;
export declare function isVec2(u: unknown): u is Vec2;
export declare function isVec6(u: unknown): u is Vec2;
export declare function intoVec2(vector2: Vector2): Vec2;
export declare function intoVector2(vec2: Vec2): Vector2;
export declare function intoVector2(vec2: Vec6): Vector2;
export declare function intoVector2(vec2: Vec2 | Vec6): Vector2;