Optional ReadonlyattributesAttributes available for end-user editing in the block property sheet.
ReadonlydisplayWhether the editor should render this block inline or as a block container.
ReadonlylabelHuman-readable label shown in chips and generic block headers.
ReadonlynameXML block name handled by this UI provider.
ReadonlyselfWhether the block is self-closing in the editor surface.
UI metadata for editing a registered XML template block in the rich-text editor.