diff --git a/synfig-core/src/filesystem.rs b/synfig-core/src/filesystem.rs
new file mode 100644
index 0000000..5e6e509
--- /dev/null
+++ b/synfig-core/src/filesystem.rs
@@ -0,0 +1,7 @@
+pub struct Identifier {
+    pub filename: String,
+}
+
+pub fn fix_slashes(filename: String) -> String {
+        filename
+}
\ No newline at end of file