@@ -179,6 +179,7 @@ const subparserExample = new ArgumentParser({
 const subparsers = subparserExample.add_subparsers({
     title: "subcommands",
     dest: "subcommand_name",
+    required: true,
 });
 
 let bar = subparsers.add_parser("c1", { add_help: true, help: "c1 help" });
 
@@ -51,6 +51,7 @@ export interface SubparserOptions {
     dest?: string;
     help?: string;
     metavar?: string;
+    required?: boolean;
 }
 
 export interface SubArgumentParserOptions extends ArgumentParserOptions {
Original file line number	Diff line number	Diff line change
`@@ -51,6 +51,7 @@ export interface SubparserOptions {`
`51`	`51`	`dest?: string;`
`52`	`52`	`help?: string;`
`53`	`53`	`metavar?: string;`
	`54`	`+ required?: boolean;`
`54`	`55`	`}`
`55`	`56`
`56`	`57`	`export interface SubArgumentParserOptions extends ArgumentParserOptions {`