{
    "SHARDNUMSUB": {
        "summary": "Returns the count of subscribers of shard channels.",
        "complexity": "O(N) for the SHARDNUMSUB subcommand, where N is the number of requested shard channels",
        "group": "pubsub",
        "since": "7.0.0",
        "arity": -2,
        "container": "PUBSUB",
        "function": "pubsubCommand",
        "command_flags": [
            "PUBSUB",
            "LOADING",
            "STALE"
        ],
        "arguments": [
            {
                "name": "shardchannel",
                "type": "string",
                "optional": true,
                "multiple": true
            }
        ],
        "reply_schema": {
            "description": "the number of subscribers per shard channel, each even element (including 0th) is channel name, each odd element is the number of subscribers",
            "type": "array"
        }
    }
}