class RBS::InconsistentClassModuleAliasError

def initialize(entry)
  @alias_entry = entry
  expected_kind, actual_kind =
    case entry
    when Environment::ModuleAliasEntry
      ["module", "class"]
    when Environment::ClassAliasEntry
      ["class", "module"]
    end
  super "#{Location.to_string(entry.decl.location&.[](:old_name))}: A #{expected_kind} `#{entry.decl.new_name}` cannot be an alias of a #{actual_kind} `#{entry.decl.old_name}`"
end

def location
  @alias_entry.decl.location
end