proc navpolyAdd(self: Navigation2D; mesh: NavigationPolygon; xform: Transform2D;
               owner: Object = nil): int64 {.
gcsafe, locks: 0, raises: [], tags: []
.}

proc navpolySetTransform(self: Navigation2D; id: int64; xform: Transform2D) {.
gcsafe,
    locks: 0, raises: [], tags: []
.}

proc navpolyRemove(self: Navigation2D; id: int64) {.
gcsafe, locks: 0, raises: [], tags: []
.}

proc getSimplePath(self: Navigation2D; start: Vector2; endd: Vector2;
                  optimize: bool = true): PoolVector2Array {.
gcsafe, locks: 0,
    raises: [Exception], tags: [RootEffect]
.}

proc getClosestPoint(self: Navigation2D; toPoint: Vector2): Vector2 {.
gcsafe, locks: 0,
    raises: [], tags: []
.}

proc getClosestPointOwner(self: Navigation2D; toPoint: Vector2): Object {.
gcsafe,
    locks: 0, raises: [Exception], tags: [RootEffect]
.}