Replace any with appropriate types for FormData methods

Author: NColey

baselines/dom.generated.d.ts

@@ -3796,12 +3796,12 @@ declare var FocusNavigationEvent: {
 }
 
 interface FormData {
-    append(name: string, value: any, fileName?: string): void;
+    append(name: string, value: string | blob, fileName?: string): void;
     delete(name: string): void;
-    get(name: string): any;
-    getAll(name: string): any[];
+    get(name: string): FormDataEntryValue | null;
+    getAll(name: string): FormDataEntryValue[];
     has(name: string): boolean;
-    set(name: string, value: any, fileName?: string): void;
+    set(name: string, value: string | blob, fileName?: string): void;
 }
 
 declare var FormData: {

inputfiles/addedTypes.json

@@ -1547,14 +1547,14 @@
         "interface": "FormData",
         "name": "get",
         "flavor": "Web",
-        "signatures": ["get(name: string): any"]
+        "signatures": ["get(name: string): FormDataEntryValue | null"]
     },
     {
         "kind": "method",
         "interface": "FormData",
         "name": "getAll",
         "flavor": "Web",
-        "signatures": ["getAll(name: string): any[]"]
+        "signatures": ["getAll(name: string): FormDataEntryValue[]"]
     },
     {
         "kind": "method",
@@ -1568,6 +1568,6 @@
         "interface": "FormData",
         "name": "set",
         "flavor": "Web",
-        "signatures": ["set(name: string, value: any, fileName?: string): void"]
+        "signatures": ["set(name: string, value: string | blob, fileName?: string): void"]
     }
 ]

inputfiles/overridingTypes.json

@@ -1022,6 +1022,6 @@
         "interface": "FormData",
         "name": "append",
         "flavor": "Web",
-        "signatures": ["append(name: string, value: any, fileName?: string): void"]
+        "signatures": ["append(name: string, value: string | blob, fileName?: string): void"]
     }
  ]