module Tapioca::Runtime::Trackers::ConstantDefinition

: (Module klass) -> Set[String]
or where metaprogramming was used via +eval+, etc.
about situations where the class was opened prior to +require+ing,
Returns the files in which this class or module was opened. Doesn't know

def files_for(klass)
  locations_for(klass).map(&:file).to_set
end