diff --git a/libs/file.sols b/libs/file.sols
new file mode 100644
index 0000000..fe899ec
--- /dev/null
+++ b/libs/file.sols
@@ -0,0 +1,6 @@
+def file_Read(string file) string {}
+def file_Write(string file, string content) {}
+
+ground {
+    extern "fileio"
+}
diff --git a/libs/request.sols b/libs/request.sols
new file mode 100644
index 0000000..76cead9
--- /dev/null
+++ b/libs/request.sols
@@ -0,0 +1,6 @@
+def request_Get(string url) string {}
+def request_Post(string url, string data) string {}
+
+ground {
+    extern "request"
+}