stream commands + some more

packages/client/lib/commands/XGROUP_DELCONSUMER.ts

@@ -11,3 +11,18 @@
 // }
 
 // export declare function transformReply(): number;
+
+import { RedisArgument, NumberReply, Command } from '../RESP/types';
+
+export default {
+  FIRST_KEY_INDEX: 2,
+  IS_READ_ONLY: false,
+  transformArguments(
+    key: RedisArgument,
+    group: RedisArgument,
+    consumer: RedisArgument
+  ) {
+    return ['XGROUP', 'DELCONSUMER', key, group, consumer];
+  },
+  transformReply: undefined as unknown as () => NumberReply
+} as const satisfies Command;