UPDATE: handler before start game

frontend/bindings/firefly-launcher/internal/fs-service/fsservice.js

@@ -31,6 +31,22 @@ export function FileExistsInZip(archivePath, fileInside) {
     return $Call.ByID(2509699047, archivePath, fileInside);
 }
 
+/**
+ * @param {string} path
+ * @returns {$CancellablePromise<string>}
+ */
+export function GetDir(path) {
+    return $Call.ByID(1744445742, path);
+}
+
+/**
+ * @param {string[]} paths
+ * @returns {$CancellablePromise<string>}
+ */
+export function Join(...paths) {
+    return $Call.ByID(2460588289, paths);
+}
+
 /**
  * @param {string} path
  * @returns {$CancellablePromise<[boolean, string]>}
@@ -54,6 +70,14 @@ export function PickFolder() {
     return $Call.ByID(3654471460);
 }
 
+/**
+ * @param {string} path
+ * @returns {$CancellablePromise<void>}
+ */
+export function RemoveFile(path) {
+    return $Call.ByID(3206735043, path);
+}
+
 /**
  * @param {string} path
  * @returns {$CancellablePromise<boolean>}