[#BloombergLP-ball-CategoryManager-2constructor-01] = xref:BloombergLP.adoc[BloombergLP]::xref:BloombergLP/ball.adoc[ball]::xref:BloombergLP/ball/CategoryManager.adoc[CategoryManager]::CategoryManager :relfileprefix: ../../../ :mrdocs: Create a category manager with the hardwired default levels for new categories and no defaults or namefilter callback set. Optionally specify a `basicAllocator` used to supply memory. If `basicAllocator` is 0, the currently installed default allocator is used. == Synopsis Declared in `<ball_categorymanager.h>` [source,cpp,subs="verbatim,replacements,macros,-callouts"] ---- explicit CategoryManager(xref:BloombergLP/bslma/Allocator.adoc[bslma::Allocator]* basicAllocator = 0); ---- [.small]#Created with https://www.mrdocs.com[MrDocs]#