import Matrix3 from './Matrix3';
export default class Matrix4 extends Matrix3 {
    readonly j: number;
    readonly k: number;
    readonly l: number;
    readonly m: number;
    readonly n: number;
    readonly o: number;
    readonly p: number;
    static readonly ElementCount: number;
    constructor(a?: number, b?: number, c?: number, d?: number, e?: number, f?: number, g?: number, h?: number, i?: number, j?: number, k?: number, l?: number, m?: number, n?: number, o?: number, p?: number);
    get elements(): number[];
    determine(): number;
    add({ elements }: Matrix4): Matrix4;
    multiply({ columns }: Matrix4): Matrix4;
    multiplyScalar(scalar: number): Matrix4;
    transpose(): Matrix4;
    cofactor(): Matrix4;
    invert(): Matrix4;
    protected static columnsToRows([a, e, i, m, b, f, j, n, c, g, k, o, d, h, l, p]: Array<number>): Array<number>;
    protected static rowsToColumns([a, b, c, d, e, f, g, h, i, j, k, l, m, n, o, p]: Array<number>): Array<number>;
}
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