Here is a list of all documented namespace enums with links to the namespaces they belong to:

AdjointsManagement : codi
Endpoint : codi::EventHints
EnumInterface : codi
EvaluationKind : codi::EventHints
IoError : codi
LinearSystemSolverFlags : codi
LowLevelFunctionEntryCallKind : codi
Reset : codi::EventHints
RestoreAction : codi
Statement : codi::EventHints
StoreAction : codi
TagFlags : codi
TapeParameters : codi