yargs (#27171)

Add `hide` method according to http://yargs.js.org/docs/#api-hidekey
Add `showhidden` method according to http://yargs.js.org/docs/#api-showhidden

types/yargs/index.d.ts

@@ -1,4 +1,4 @@
-// Type definitions for yargs 11.0
+// Type definitions for yargs 11.1
 // Project: https://github.com/chevex/yargs
 // Definitions by: Martin Poelstra <https://github.com/poelstra>
 //                 Mizunashi Mana <https://github.com/mizunashi-mana>
@@ -116,6 +116,8 @@ declare namespace yargs {
 
         group(key: string | string[], groupName: string): Argv;
 
+        hide(key: string): Argv;
+
         help(): Argv;
         help(enableExplicit: boolean): Argv;
         help(option: string, enableExplicit: boolean): Argv;
@@ -185,6 +187,9 @@ declare namespace yargs {
 
         showCompletionScript(): Argv;
 
+        showhidden(option?: string | boolean): Argv;
+        showhidden(option: string, description?: string): Argv;
+
         showHelp(consoleLevel?: string): Argv;
 
         showHelpOnFail(enable: boolean, message?: string): Argv;

types/yargs/yargs-tests.ts

@@ -648,3 +648,16 @@ function Argv$check() {
         .check((argv, aliases) => void 0)
         .check((argv, aliases) => void 0, false);
 }
+
+function Argv$hide() {
+    const ya = yargs
+        .hide('a');
+}
+
+function Argv$showhidden() {
+    const ya = yargs
+        .showhidden()
+        .showhidden(true)
+        .showhidden('show-hidden')
+        .showhidden('show-hidden', 'Show hidden options');
+}