@startuml
class DeleteGroupCommand {
    - blocksId : List<string>
    - deleteBlockCommands : List<DeleteBlockCommand>
    + DeleteGroupCommand(blocksId:List<string>)
    + DeleteGroupCommand(commandDTO:CommandDTO)
    + execute() : void
    + undo() : void
    + toDTO() : CommandDTO
}
ICommand <|-- DeleteGroupCommand
@enduml