+#if defined(USE_ITHREADS)
+# if defined(PERL_IN_SV_C) || defined(PERL_DECL_PROT)
+STATIC void S_unreferenced_to_tmp_stack(pTHX_ AV *const unreferenced)
+ __attribute__nonnull__(pTHX_1);
+#define PERL_ARGS_ASSERT_UNREFERENCED_TO_TMP_STACK \
+ assert(unreferenced)
+
+# endif
+PERL_CALLCONV CLONE_PARAMS * Perl_clone_params_new(PerlInterpreter *const from, PerlInterpreter *const to)
+ __attribute__malloc__
+ __attribute__warn_unused_result__
+ __attribute__nonnull__(1)
+ __attribute__nonnull__(2);
+#define PERL_ARGS_ASSERT_CLONE_PARAMS_NEW \
+ assert(from); assert(to)
+
+PERL_CALLCONV void Perl_clone_params_del(CLONE_PARAMS *param)
+ __attribute__nonnull__(1);
+#define PERL_ARGS_ASSERT_CLONE_PARAMS_DEL \
+ assert(param)
+
+#endif