fix(docs): place doc comment above the last overload (#544)

* fix(docs): place doc comment above the last overload

* fix lint

Author: jkwlui

handwritten/storage/src/acl.ts

@@ -381,6 +381,8 @@ class Acl extends AclRoleAccessorMethods {
     this.request_ = options.request;
   }
 
+  add(options: AddAclOptions): Promise<AddAclResponse>;
+  add(options: AddAclOptions, callback: AddAclCallback): void;
   /**
    * @typedef {array} AddAclResponse
    * @property {object} 0 The Acl Objects.
@@ -454,8 +456,6 @@ class Acl extends AclRoleAccessorMethods {
    * region_tag:storage_add_bucket_default_owner
    * Example of adding a default owner to a bucket:
    */
-  add(options: AddAclOptions): Promise<AddAclResponse>;
-  add(options: AddAclOptions, callback: AddAclCallback): void;
   add(options: AddAclOptions,
       callback?: AddAclCallback): void|Promise<AddAclResponse> {
     const query = {} as AclQuery;
@@ -488,6 +488,8 @@ class Acl extends AclRoleAccessorMethods {
         });
   }
 
+  delete(options: RemoveAclOptions): Promise<RemoveAclResponse>;
+  delete(options: RemoveAclOptions, callback: RemoveAclCallback): void;
   /**
    * @typedef {array} RemoveAclResponse
    * @property {object} 0 The full API response.
@@ -548,8 +550,6 @@ class Acl extends AclRoleAccessorMethods {
    * region_tag:storage_remove_file_owner
    * Example of removing an owner from a bucket:
    */
-  delete(options: RemoveAclOptions): Promise<RemoveAclResponse>;
-  delete(options: RemoveAclOptions, callback: RemoveAclCallback): void;
   delete(options: RemoveAclOptions, callback?: RemoveAclCallback):
       void|Promise<RemoveAclResponse> {
     const query = {} as AclQuery;
@@ -573,6 +573,9 @@ class Acl extends AclRoleAccessorMethods {
         });
   }
 
+  get(options?: GetAclOptions): Promise<GetAclResponse>;
+  get(options: GetAclOptions, callback: GetAclCallback): void;
+  get(callback: GetAclCallback): void;
   /**
    * @typedef {array} GetAclResponse
    * @property {object|object[]} 0 Single or array of Acl Objects.
@@ -656,9 +659,6 @@ class Acl extends AclRoleAccessorMethods {
    * region_tag:storage_print_bucket_acl_for_user
    * Example of printing a bucket's ACL for a specific user:
    */
-  get(options?: GetAclOptions): Promise<GetAclResponse>;
-  get(options: GetAclOptions, callback: GetAclCallback): void;
-  get(callback: GetAclCallback): void;
   get(optionsOrCallback?: GetAclOptions|GetAclCallback,
       cb?: GetAclCallback): void|Promise<GetAclResponse> {
     const options =
@@ -703,6 +703,8 @@ class Acl extends AclRoleAccessorMethods {
         });
   }
 
+  update(options: UpdateAclOptions): Promise<UpdateAclResponse>;
+  update(options: UpdateAclOptions, callback: UpdateAclCallback): void;
   /**
    * @typedef {array} UpdateAclResponse
    * @property {object} 0 The updated Acl Objects.
@@ -760,8 +762,6 @@ class Acl extends AclRoleAccessorMethods {
    *   const apiResponse = data[1];
    * });
    */
-  update(options: UpdateAclOptions): Promise<UpdateAclResponse>;
-  update(options: UpdateAclOptions, callback: UpdateAclCallback): void;
   update(options: UpdateAclOptions, callback?: UpdateAclCallback):
       void|Promise<UpdateAclResponse> {
     const query = {} as AclQuery;