`sig
val mk :
?attrs:Ast_406.??.attrs ->
?docs:Ast_406.Docstrings.docs ->
?params:(Ast_406.Parsetree.core_type * Ast_406.Asttypes.variance) list ->
?priv:Ast_406.Asttypes.private_flag ->
Ast_406.??.lid ->
Ast_406.Parsetree.extension_constructor list ->
Ast_406.Parsetree.type_extension
val constructor :
?loc:Ast_406.??.loc ->
?attrs:Ast_406.??.attrs ->
?docs:Ast_406.Docstrings.docs ->
?info:Ast_406.Docstrings.info ->
Ast_406.??.str ->
Ast_406.Parsetree.extension_constructor_kind ->
Ast_406.Parsetree.extension_constructor
val decl :
?loc:Ast_406.??.loc ->
?attrs:Ast_406.??.attrs ->
?docs:Ast_406.Docstrings.docs ->
?info:Ast_406.Docstrings.info ->
?args:Ast_406.Parsetree.constructor_arguments ->
?res:Ast_406.Parsetree.core_type ->
Ast_406.??.str -> Ast_406.Parsetree.extension_constructor
val rebind :
?loc:Ast_406.??.loc ->
?attrs:Ast_406.??.attrs ->
?docs:Ast_406.Docstrings.docs ->
?info:Ast_406.Docstrings.info ->
Ast_406.??.str ->
Ast_406.??.lid -> Ast_406.Parsetree.extension_constructor
end`