EntitiesContainerRef
EntitiesContainerRef =
GroupRef|ComponentDefinitionRef
A reference to an entity that contain entities
SketchupOperation#entity-container
NOTE: This reference is only valid in the operation that constructed it
EntitiesContainerRef =
GroupRef|ComponentDefinitionRef
A reference to an entity that contain entities
SketchupOperation#entity-container
NOTE: This reference is only valid in the operation that constructed it