``` CSSCompletions.completeUnbalancedValue => CSSProperty.completeUnbalancedValue CSSCompletions.lengthUnits => CSSProperty.lengthUnits ``` There's no good read for these to live on `WI.CSSCompletions`. They belong semantically to `WI.CSSProperty`.
<rdar://problem/96597403>
Pull request: https://github.com/WebKit/WebKit/pull/2170