import { Matrix3, Quaternion, Vector3 } from "../../type_definitions/array_type_definitions.js";
export declare function create(): Matrix3;
export declare function create(m00: number, m01: number, m02: number, m10: number, m11: number, m12: number, m20: number, m21: number, m22: number): Matrix3;
export declare function create(uniformValue: number): Matrix3;
export declare function getAllocationFunction(): () => Matrix3;
/** Specify the function that will be used to allocate the matrix when calling the {@link create} function */
export declare function setAllocationFunction(allocationFunction: () => Matrix3): void;
export declare function set<T extends Matrix3>(matrix: T, m00: number, m01: number, m02: number, m10: number, m11: number, m12: number, m20: number, m21: number, m22: number): T;
export declare function set<T extends Matrix3>(matrix: T, uniformValue: number): T;
export declare function copy<T extends Matrix3>(from: Readonly<Matrix3>, to: T): T;
/** The overload where `T extends Vector2` does also get `array` as `Readonly<T>`, but is not marked as such due to
    Typescript having issues with inferring the proper type of `T` when `Readonly` is used */
export declare function clone<T extends Matrix3>(matrix: Readonly<T>): T;
export declare function clone(matrix: Readonly<number[]>): number[];
export declare function clone<T extends Matrix3>(matrix: T): T;
export declare function equals(first: Readonly<Matrix3>, second: Readonly<Matrix3>, epsilon?: number): boolean;
export declare const toDegrees: {
    (matrix: Readonly<Matrix3>): Vector3;
    <T extends Vector3>(matrix: Readonly<Matrix3>, out: T): T;
};
export declare const toRadians: {
    (matrix: Readonly<Matrix3>): Vector3;
    <T extends Vector3>(matrix: Readonly<Matrix3>, out: T): T;
};
export declare function toQuat(matrix: Readonly<Matrix3>): Quaternion;
export declare function toQuat<T extends Quaternion>(matrix: Readonly<Matrix3>, out: T): T;
export declare function fromAxes(left: Readonly<Vector3>, up: Readonly<Vector3>, forward: Readonly<Vector3>): Matrix3;
export declare function fromAxes<T extends Matrix3>(left: Readonly<Vector3>, up: Readonly<Vector3>, forward: Readonly<Vector3>, out: T): T;
export declare const Mat3Utils: {
    readonly create: typeof create;
    readonly getAllocationFunction: typeof getAllocationFunction;
    readonly setAllocationFunction: typeof setAllocationFunction;
    readonly set: typeof set;
    readonly copy: typeof copy;
    readonly clone: typeof clone;
    readonly equals: typeof equals;
    readonly toDegrees: {
        (matrix: Readonly<Matrix3>): Vector3;
        <T extends Vector3>(matrix: Readonly<Matrix3>, out: T): T;
    };
    readonly toRadians: {
        (matrix: Readonly<Matrix3>): Vector3;
        <T extends Vector3>(matrix: Readonly<Matrix3>, out: T): T;
    };
    readonly toQuat: typeof toQuat;
    readonly fromAxes: typeof fromAxes;
};