(* this may raise Parse_info.Ast_builder_error *)
val program : Cst_php.program -> Ast_php.program
val any : Cst_php.any -> Ast_php.any

 this may raise Parse_info.Ast_builder_error 
val program : Cst_php.program -> Ast_php.program
val any : Cst_php.any -> Ast_php.any
