stdHierarchy
 Class Diagram
  AliasDecl
  Composite
  Constants
  DeclInheritance
  FileInheritance
  Generics
  GroupDecl
  Object
  Ports
  RegionInstance
  Signals
  StructuralRegions
  Variables
 Class
  aliasDecl
  aliasedName
  archBody
  attrDecl
  blockStmt
  compDecl
  compInstStmt
  configDecl
  constant
  constDecl
  constParamDecl
  decl
  designInstUnit
  designUnit
  entityClassEntry
  entityDecl
  file
  fileDecl
  fileParamDecl
  generateStmt
  generic
  genericDecl
  groupDecl
  groupTempDecl
  interfaceDecl
  lexicalScope
  libraryDecl
  objDecl
  packBody
  packDecl
  packInst
  paramDecl
  portDecl
  primaryUnit
  protectedTypeInst
  region
  rootInst
  secondaryUnit
  sigDecl
  sigParamDecl
  useClause
  varDecl
  variable
  varParamDecl