if (psi_decl_extvar_validate(dst, evar, scope)) {
dst->decls = psi_plist_add(dst->decls, &evar->getter);
dst->decls = psi_plist_add(dst->decls, &evar->setter);
if (psi_decl_extvar_validate(dst, evar, scope)) {
dst->decls = psi_plist_add(dst->decls, &evar->getter);
dst->decls = psi_plist_add(dst->decls, &evar->setter);