Interface ReadonlyMat2D

interface ReadonlyMat2D {
    a: number;
    b: number;
    c: number;
    d: number;
    tx: number;
    ty: number;
    clone(): Mat2D;
    copyTo3x2(array: Float32Array, order?: MAT_ORDER): void;
    copyTo3x3(array: Float32Array, order?: MAT_ORDER): void;
    equals(other: Mat2DLike, epsilon?: number): boolean;
}