proc `*`(a, b: Matrix): Matrix {....raises: [], tags: [], forbids: [].}

proc `*=`(a: var Matrix; b: Matrix) {....raises: [], tags: [], forbids: [].}

proc `[]`(pl: PathLines; i: BackwardsIndex): lent LineSegment {....raises: [],
    tags: [], forbids: [].}

proc `[]`(pl: PathLines; i: int): lent LineSegment {....raises: [], tags: [],
    forbids: [].}

proc arc(path: Path; x, y, radius, startAngle, endAngle: float64;
         counterclockwise: bool) {....raises: [], tags: [], forbids: [].}

proc arcTo(path: Path; x1, y1, x2, y2, radius: float64) {....raises: [], tags: [],
    forbids: [].}

proc beginPath(path: Path) {....raises: [], tags: [], forbids: [].}

proc bezierCurveTo(path: Path; cp0x, cp0y, cp1x, cp1y, x, y: float64) {.
    ...raises: [], tags: [], forbids: [].}

proc closePath(path: Path) {....raises: [], tags: [], forbids: [].}

proc cmpLineSegmentX(l1, l2: LineSegment): int {....raises: [], tags: [],
    forbids: [].}

proc cmpLineSegmentY(l1, l2: LineSegment): int {....raises: [], tags: [],
    forbids: [].}

proc ellipse(path: Path;
             x, y, radiusX, radiusY, rotation, startAngle, endAngle: float64;
             counterclockwise: bool) {....raises: [], tags: [], forbids: [].}

proc getLines(path: Path): seq[Line] {....raises: [], tags: [], forbids: [].}

proc getLineSegments(path: Path): PathLines {....raises: [], tags: [], forbids: [].}

proc len(pl: PathLines): int {....raises: [], tags: [], forbids: [].}

proc lineTo(path: Path; x, y: float64) {....raises: [], tags: [], forbids: [].}

proc moveTo(path: Path; x, y: float64) {....raises: [], tags: [], forbids: [].}

proc newIdentityMatrix(n: int): Matrix {....raises: [], tags: [], forbids: [].}

proc newMatrix(me: seq[float64]; w, h: int): Matrix {....raises: [], tags: [],
    forbids: [].}

proc newPath(): Path {....raises: [], tags: [], forbids: [].}

proc p0(ls: LineSegment): Vector2D {.inline, ...raises: [], tags: [], forbids: [].}

proc p1(ls: LineSegment): Vector2D {.inline, ...raises: [], tags: [], forbids: [].}

proc quadraticCurveTo(path: Path; cpx, cpy, x, y: float64) {....raises: [],
    tags: [], forbids: [].}

proc rect(path: Path; x, y, w, h: float64) {....raises: [], tags: [], forbids: [].}

proc roundRect(path: Path; x, y, w, h, radii: float64) {....raises: [], tags: [],
    forbids: [].}

proc tempClosePath(path: Path) {....raises: [], tags: [], forbids: [].}

proc tempOpenPath(path: Path) {....raises: [], tags: [], forbids: [].}

proc toLineSegment(line: Line): LineSegment {....raises: [], tags: [], forbids: [].}

iterator items(pl: PathLines): lent LineSegment {.inline, ...raises: [], tags: [],
    forbids: [].}