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

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

proc stretchShrink(self: ViewportContainer): int64 {.
gcsafe, locks: 0, raises: [],
    tags: []
.}

proc stretchShrink=(self: ViewportContainer; val: int64) {.
gcsafe, locks: 0, raises: [],
    tags: []
.}

method input(self: ViewportContainer; event: InputEvent) {.
gcsafe, locks: 0, raises: [],
    tags: []
.}