proc navpoly(self: NavigationPolygonInstance): NavigationPolygon {.
gcsafe, locks: 0,
    raises: [Exception], tags: [RootEffect]
.}

proc navpoly=(self: NavigationPolygonInstance; val: NavigationPolygon) {.
gcsafe,
    locks: 0, raises: [], tags: []
.}

proc enabled(self: NavigationPolygonInstance): bool {.
gcsafe, locks: 0, raises: [],
    tags: []
.}

proc enabled=(self: NavigationPolygonInstance; val: bool) {.
gcsafe, locks: 0,
    raises: [], tags: []
.}

method navpolyChanged(self: NavigationPolygonInstance) {.
gcsafe, locks: 0, base,
    raises: [], tags: []
.}