The slots of a kind of movable content, or undefined while its module has not loaded (or for a type with no renderer). A pane registered with registerMovablePane wins over the module's; while it is still loading the record has no pane.
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The slots of a kind of movable content, or
undefinedwhile its module has not loaded (or for a type with no renderer). A pane registered with registerMovablePane wins over the module's; while it is still loading the record has no pane.