Procs
proc onBoundsChanged(self: Element; handler: BoundsChangedHandler): void {...}{.raises: [], tags: [].}
proc emitOnBoundsChanged(self: Element): void {...}{.raises: [KeyError, UnpackError], tags: [].}
proc onBoundsChanged(self: Element; handler: BoundsChangedHandler): void {...}{.raises: [], tags: [].}
proc emitOnBoundsChanged(self: Element): void {...}{.raises: [KeyError, UnpackError], tags: [].}