Add RNFetchBlobStat (#18818)

types/react-native-fetch-blob/index.d.ts

@@ -378,11 +378,11 @@ export interface FS {
     /**
      * Show statistic data of a path.
      * @param  {string} path Target path
-     * @return {RNFetchBlobFile}
+     * @return {RNFetchBlobStat}
      */
-    stat(path: string): Promise<RNFetchBlobFile>;
+    stat(path: string): Promise<RNFetchBlobStat>;
 
-    lstat(path: string): Promise<RNFetchBlobFile[]>;
+    lstat(path: string): Promise<RNFetchBlobStat[]>;
 
     /**
      * Android only method, request media scanner to scan the file.
@@ -619,3 +619,11 @@ export interface RNFetchBlobStream {
 
 export declare class RNFetchBlobFile {
 }
+
+export declare class RNFetchBlobStat {
+    lastModified: string;
+    size: string;
+    type: "directory" | "file";
+    path: string;
+    filename: string;
+}