@startuml 
sprite $life_buoy [48x48/16] {
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}


!define FA_LIFE_BUOY(_alias) ENTITY(rectangle,black,life_buoy,_alias,FA LIFE_BUOY)
!define FA_LIFE_BUOY(_alias,_label) ENTITY(rectangle,black,life_buoy,_label,_alias,FA LIFE_BUOY)
!define FA_LIFE_BUOY(_alias,_label,_shape) ENTITY(_shape,black,life_buoy,_label,_alias,FA LIFE_BUOY)
!define FA_LIFE_BUOY(_alias,_label,_shape,_color) ENTITY(_shape,_color,life_buoy,_label,_alias,FA LIFE_BUOY)
skinparam folderBackgroundColor<<FA LIFE_BUOY>> White
@enduml