Puppet

Deprecated in Puppet 3  

Reports the use of the syntax deprecated since Puppet 3, such as import statements.

Deprecated in Puppet 4  

Reports the use of the syntax deprecated since Puppet 4, such as: The class name for classes Uppercase variable names Qualified variables with underscores Note that these constructions work properly in Puppet 3.x and earlier.

Multiple hash set parameters  

Reports resource instances with two or more HashSet parameters (* =>).

Unresolved symbol  

Reports unresolved symbols in Puppet files.