This method would return an array of `CSSPropertyRule`, for all the registered properties of the page (via JS and `CSS.registerProperty`, or CSS and `@property --XXX`) (alternatively, this could be a Chrome-only `registeredProperties` property on `CSS`)
Bug 1841265 Comment 0 Edit History
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This method would return an array of `CSSPropertyRule`, for all the registered properties of the page (via JS and `CSS.registerProperty`, or CSS and `@property --XXX`) --- Alternatively, this could be a Chrome-only `registeredProperties` property on `CSS`, or even be folded into `InspectorUtils.parseCSSDeclarations` (see Bug 1840320), since we were thinking of also computing declarations properties in it (e.g. `isValid`, …)