When you add a ProjectReference to any project that has TemplateBuilder installed you will get the following build error.
1>C:\Data\mycode\side-waffle\packages\TemplateBuilder.1.0.3.45-beta\tools\ligershark.templates.targets(267,11): error MSB4006: There is a circular dependency in the target dependency graph involving target "ls-DiscoverProjectTemplatesFromProjectReferences".
When you add a ProjectReference to any project that has TemplateBuilder installed you will get the following build error.