Astlib.Migrate_414_500module From = Ast_414module To = Ast_500val copy_structure : Ast_414.Parsetree.structure -> Ast_500.Parsetree.structureval copy_signature : Ast_414.Parsetree.signature -> Ast_500.Parsetree.signatureval copy_toplevel_phrase : 
  Ast_414.Parsetree.toplevel_phrase ->
  Ast_500.Parsetree.toplevel_phraseval copy_core_type : Ast_414.Parsetree.core_type -> Ast_500.Parsetree.core_typeval copy_expression : 
  Ast_414.Parsetree.expression ->
  Ast_500.Parsetree.expressionval copy_pattern : Ast_414.Parsetree.pattern -> Ast_500.Parsetree.patternval copy_case : Ast_414.Parsetree.case -> Ast_500.Parsetree.caseval copy_type_declaration : 
  Ast_414.Parsetree.type_declaration ->
  Ast_500.Parsetree.type_declarationval copy_type_extension : 
  Ast_414.Parsetree.type_extension ->
  Ast_500.Parsetree.type_extensionval copy_extension_constructor : 
  Ast_414.Parsetree.extension_constructor ->
  Ast_500.Parsetree.extension_constructorval copy_class_expr : 
  Ast_414.Parsetree.class_expr ->
  Ast_500.Parsetree.class_exprval copy_class_field : 
  Ast_414.Parsetree.class_field ->
  Ast_500.Parsetree.class_fieldval copy_class_type : 
  Ast_414.Parsetree.class_type ->
  Ast_500.Parsetree.class_typeval copy_class_signature : 
  Ast_414.Parsetree.class_signature ->
  Ast_500.Parsetree.class_signatureval copy_class_type_field : 
  Ast_414.Parsetree.class_type_field ->
  Ast_500.Parsetree.class_type_fieldval copy_module_expr : 
  Ast_414.Parsetree.module_expr ->
  Ast_500.Parsetree.module_exprval copy_module_type : 
  Ast_414.Parsetree.module_type ->
  Ast_500.Parsetree.module_typeval copy_signature_item : 
  Ast_414.Parsetree.signature_item ->
  Ast_500.Parsetree.signature_itemval copy_structure_item : 
  Ast_414.Parsetree.structure_item ->
  Ast_500.Parsetree.structure_item