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/proc/self/root/opt/redis-8/src/commands/

//proc/self/root/opt/redis-8/src/commands/pubsub-shardchannels.json

 {
    "SHARDCHANNELS": {
        "summary": "Returns the active shard channels.",
        "complexity": "O(N) where N is the number of active shard channels, and assuming constant time pattern matching (relatively short shard channels).",
        "group": "pubsub",
        "since": "7.0.0",
        "arity": -2,
        "container": "PUBSUB",
        "function": "pubsubCommand",
        "command_flags": [
            "PUBSUB",
            "LOADING",
            "STALE"
        ],
        "arguments": [
            {
                "name": "pattern",
                "type": "pattern",
                "optional": true
            }
        ],
        "reply_schema": {
            "description": "a list of active channels, optionally matching the specified pattern",
            "type": "array",
            "items": {
                "type": "string"
            },
            "uniqueItems": true
        }
    }
}