addressBlock isPresent extension. addressSpace isPresent extension. addressSpaceRef isPresent extension. alternateRegister isPresent extension. bank isPresent extension. busInterface isPresent extension. busInterfaceRef isPresent extension. channel isPresent extension. constraintSetRef isPresent extension. cpu isPresent extension. field isPresent extension. file isPresent extension. fileSetRef isPresent extension. localMemoryMap isPresent extension. memoryMap isPresent extension. memoryRemap isPresent extension. moduleParameter isPresent extension. port isPresent extension. portMap isPresent extension. register isPresent extension. registerFile isPresent extension. segment isPresent extension. subspaceMap isPresent extension. typeParameter isPresent extension. transparentBridge isPresent extension. view isPresent extension. clearboxElement isPresent extension. clearboxElementRef isPresent extension.