Assembly: Microsoft.VisualStudio.TextTemplating (in microsoft.visualstudio.texttemplating.dll)
The text template transformation process has two steps. In the first step, the text template transformation engine creates a class that is referred to as the generated transformation class. In the second step, the engine compiles and executes the generated transformation class, to produce the generated text output. The generated transformation class inherits from TextTransformation.
Any class specified in an inherits directive in a text template must itself inherit from TextTransformation.is the only abstract member of this class.