diff --git a/lib/puppet/pops/migration/migration_checker.rb b/lib/puppet/pops/migration/migration_checker.rb
index efd756cec..e89936ce7 100644
--- a/lib/puppet/pops/migration/migration_checker.rb
+++ b/lib/puppet/pops/migration/migration_checker.rb
@@ -1,32 +1,45 @@
 # This class defines the private API of the MigrationChecker support.
 # @api private
 #
 class Puppet::Pops::Migration::MigrationChecker
 
   def initialize()
   end
 
+  # Produces a hash of available migrations; a map from a symbolic name in string form to a brief description.
+  def available_migrations()
+    { '3.8/4.0' => '3.8 future parser to 4.0 language migrations'}
+  end
+
+  # For 3.8/4.0
   def report_ambiguous_integer(o)
   end
 
+  # For 3.8/4.0
   def report_ambiguous_float(o)
   end
 
+  # For 3.8/4.0
   def report_empty_string_true(value, o)
   end
 
+  # For 3.8/4.0
   def report_uc_bareword_type(value, o)
   end
 
+  # For 3.8/4.0
   def report_equality_type_mismatch(left, right, o)
   end
 
+  # For 3.8/4.0
   def report_option_type_mismatch(test_value, option_value, option_expr, matching_expr)
   end
 
+  # For 3.8/4.0
   def report_in_expression(o)
   end
 
+  # For 3.8/4.0
   def report_array_last_in_block(o)
   end
 end