Readonlyattributes: ComponentAttributesFull component value (state-based; LWW within a stack).
ReadonlycomponentKey: ComponentKeyReadonlyop: "set-component"Readonlypath: stringReadonlyattributes: ComponentAttributesAttribute keys to null out (IFCX null = remove opinion).
ReadonlycomponentKey: ComponentKeyReadonlyop: "tombstone-component"Readonlypath: string
Semantic reading of a layer's nodes — the op model of 02 §2.2.